SOOMFON Bluetooth 5.3 Transmitter Receiver
4.0Editor score
Two Bluetooth listening devices
Optical, AUX, and RCA support
Automatic reconnection
LCD status display
24-month product warranty
In this guide
A multipoint Bluetooth transmitter sends audio from a wired source to two Bluetooth headphones or speakers at once, making it useful for shared TV viewing, gaming, air travel, and home listening. The best models combine stable dual-device connections, low latency, flexible inputs, sufficient range, and straightforward controls.
We compared ten transmitters using the information supplied for each product, focusing on connection modes, simultaneous headphone support, audio codecs, range claims, battery life, compatibility, and special features. The list covers home-focused 1Mii and SOOMFON models, compact travel adapters, and the transmitter-only Avantree Relay.
Each review explains what distinguishes the product, where it is strongest, and where its limitations matter. Our top selections highlight the most balanced option, a feature-rich travel choice, and a premium model for listeners seeking high-resolution wireless audio. Prices and availability can change, so confirm current listings before buying.
Top 3 Picks for Best Multipoint Bluetooth Transmitter
2026 Upgrade Pro Bluetooth 6.0 Transmitter Receiver
4.3Editor score
Bluetooth 6.0 dual-mode adapter
Two simultaneous headphone connections
Over 20 hours of playback
USB-C charging in 1.5 hours
Airplane dual-prong adapter included
1Mii B03Pro+ Bluetooth 5.3 Transmitter Receiver
4.1Editor score
LDAC up to 24-bit/96kHz
Bluetooth transmitter and receiver
Two-device TX bypass mode
aptX Low Latency support
Clear display and volume controls
Top 10 Best Multipoint Bluetooth Transmitter in 2026 Compared
The comparison below highlights each adapter's core function, multipoint capability, connection flexibility, and most important practical feature. It also distinguishes general-purpose home models from travel-focused and transmitter-only designs.
ProductsSpecificationsEditor scorePrice
Best Budget
1Mii B06TX
Bluetooth 5.3 transmitter
Two simultaneous outputs
Optical and analog inputs
aptX Low Latency
4.1Editor score
Editor's Choice
2026 Upgrade Pro
Bluetooth 6.0 dual-mode
Two simultaneous outputs
20+ hour playback
USB-C fast charging
4.3Editor score
Best Premium
1Mii B03+
Bluetooth 5.3 dual-mode
Two simultaneous outputs
TV bypass mode
Up to 230-foot outdoor range
3.9Editor score
Bluetooth 6.0 Travel Adapter
Bluetooth 6.0 dual-mode
Two synchronized headphones
24+ hour playback
40-foot stated range
5.0Editor score
1Mii B03 Airplane
Bluetooth 5.3 dual-mode
Two simultaneous outputs
aptX Low Latency
18-hour battery life
4.0Editor score
1Mii B03
Bluetooth 5.3 dual-mode
Two simultaneous outputs
TV bypass mode
Up to 164-foot outdoor range
4.2Editor score
SOOMFON Bluetooth 5.3
Bluetooth 5.3 transmitter
Two simultaneous outputs
Optical and analog support
10–30 meter range
4.0Editor score
Avantree Relay
Transmitter-only airplane adapter
Two simultaneous headphones
aptX Adaptive and HD
Up to 25-hour battery
4.3Editor score
Avantree Oasis Plus 2
Optical and AUX inputs
Two simultaneous headphones
Optical passthrough
Remote volume control
4.1Editor score
1Mii B03Pro+
Bluetooth 5.3 dual-mode
Two-device bypass mode
LDAC 24-bit/96kHz
aptX Low Latency
4.1Editor score
1. 1Mii B06TX – Balanced TV Transmitter
1Mii B06TX
Bluetooth 5.3 transmission
Two-output multipoint
Optical and analog inputs
aptX Low Latency
The 1Mii B06TX is a focused Bluetooth 5.3 transmitter designed to move audio from a television or other wired source to two Bluetooth headphones or speakers. Its 4.1 rating reflects a practical feature set rather than a highly specialized audio platform, and its standout quality is the balance between flexible home connectivity and straightforward operation.
Pros
- Connects two headphones simultaneously
- Supports modern and legacy outputs
- Simple automatic connection
- Dual-antenna signal design
- Useful low-latency option
Cons
- Transmitter only, not a receiver
- Low latency requires compatible headphones
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Multipoint is handled through a dedicated pairing button for each Bluetooth output, allowing two listeners to hear the same source. The adapter accepts optical, coaxial, RCA, and 3.5 mm connections, making it suitable for newer TVs as well as older equipment. Its dual-antenna design supports longer-distance reception, while aptX Low Latency can reduce synchronization delay when both the transmitter and connected headphones support that codec.
The main limitation is that this is a transmitter only, so it cannot add Bluetooth reception to an existing sound system. In addition, viewers using headphones that do not support aptX Low Latency may experience some delay. These restrictions are understandable for a single-purpose device but narrow its usefulness compared with the dual-mode alternatives in this guide.
This is a strong choice for people who mainly want to connect two wireless headphones to a television and who value simple setup and broad input selection. It is less appropriate for travelers or listeners who also need the ability to stream a phone into wired speakers. For its intended role, it remains one of the most balanced multipoint TV transmitters listed.
Flexible Connections for Different TVs
Optical and coaxial support covers digital TV outputs, while RCA and 3.5 mm options cover many older televisions and sound systems. When using an optical or coaxial connection, the TV's audio output should be set to optical or digital output.
Low-Latency Viewing with Compatible Gear
aptX Low Latency is most useful for movies, television, and games where visible lip-sync delay would be distracting. The benefit depends on support from the receiving headphones, since unsupported devices may fall back to a codec with more delay.
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2. 2026 Upgrade Pro Bluetooth 6.0 – Best Versatile Travel Choice
2026 Upgrade Pro Bluetooth 6.0
Bluetooth 6.0 dual-mode
Two-output multipoint
Over 20-hour playback
1.5-hour USB-C charging
The 2026 Upgrade Pro Bluetooth 6.0 adapter combines transmitter and receiver functions in a compact travel-oriented design. It carries a 4.3 rating and stands out for broad versatility, including two-listener transmission, phone-to-wired-audio reception, more than 20 hours of playback, and fast USB-C recharging.
Pros
- Switches between transmitter and receiver
- Supports two simultaneous listeners
- Long battery life for travel
- Compact cable-storage design
- Clear status indicators
Cons
- Not suitable for musical instruments
- Incompatible with hearing aids
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In transmitter mode, the adapter can draw from AUX or RCA sources, including televisions and airplane seatback entertainment, then send the audio to Bluetooth headphones. It can connect two sets simultaneously for shared listening. In receiver mode, it accepts wireless audio from a smartphone, tablet, or computer and relays it to a wired audio system. Automatic pairing, remembered devices, dedicated volume controls, and clear LEDs simplify operation.
Some stated exclusions are important. The product is not compatible with live music, instruments, karaoke, 2.4 GHz synchronization devices, or Bluetooth hearing aids, and it is transmitter-only in the sense that it cannot perform the receiver function while simultaneously handling live audio. Its advertised lag-free behavior should also be understood within the limitations of the source and paired devices.
This is the pick for travelers, commuters, and flexible users who want one compact adapter for an airplane, a television, a gym system, and a home stereo. It is particularly attractive when sharing a flight or television program with another listener. The generous battery life and included dual-prong airplane adapter make it more travel-conscious than many home-focused alternatives.
One Adapter for Travel and Home
The TX and RX modes cover opposite directions of wireless audio. Transmitter mode sends TV or airplane audio to headphones, while receiver mode lets a phone or computer send music to equipment that lacks Bluetooth.
Battery Life for Long Listening Sessions
More than 20 hours of playback suits long flights and extended listening. A full recharge takes approximately 1.5 hours over USB-C, and the product can continue to operate while charging according to its listed features.
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3. 1Mii B03+ – Best Feature-Rich Home Adapter
1Mii B03+
Bluetooth 5.3 dual-mode
Two-output multipoint
Bypass and codec support
Up to 230-foot outdoor range
The 1Mii B03+ is a general-purpose Bluetooth 5.3 adapter with both transmitter and receiver functions. It has a 3.9 rating, and while that is the lowest score among the ten products, the specification set is broad. It supports two Bluetooth outputs, simultaneous wired bypass, multiple codecs, an LCD, and both analog and digital connections.
Pros
- Broad codec selection
- LCD simplifies device selection
- Supports wireless and wired listening
- Extensive analog and digital connections
- Strong stated indoor range
Cons
- Cannot use TX and RX simultaneously
- Two aptX LL devices reduce codec
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Its Bypass Mode is particularly useful in shared households. TV audio can go to Bluetooth headphones and a wired soundbar at the same time, allowing one person to listen privately while others use the television speakers. The device also supports aptX HD, aptX Adaptive, and aptX Low Latency when the paired equipment supports the corresponding codec.
The specified range reaches up to 230 feet outdoors in line of sight and 70–100 feet indoors, though walls, metal, Wi-Fi, and the performance of the receiving device can reduce it. TX and RX modes cannot operate simultaneously. Connecting two aptX Low Latency headphones changes the codec to aptX for stability, so buyers should not expect the lowest-latency mode in every two-headphone configuration.
This model fits a home user who wants more than basic TV transmission and values a screen-based setup process. It is a good choice for combining wireless headphones with a soundbar, experimenting with different codec support, or occasionally reversing the audio path to stream from a phone. Its complexity is justified for those who will use several connection options, though it may be excessive for a single simple TV.
Simultaneous Wireless and Wired Listening
Bypass Mode allows a TV's audio to reach Bluetooth headphones and a wired soundbar concurrently. This makes the adapter especially useful when household members have different volume or hearing preferences.
Codec Options for Different Priorities
aptX Adaptive, aptX HD, and aptX Low Latency provide options for quality, responsiveness, and compatibility. The active codec still depends on the connected headphones, and using two aptX LL devices changes the negotiated mode to standard aptX.
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4. Bluetooth 6.0 Transmitter Receiver – Best Compact Airplane Adapter
Bluetooth 6.0 Transmitter Receiver
Bluetooth 6.0 dual-mode
Two synchronized headphones
40-foot stated range
24+ hour playback
The Bluetooth 6.0 Transmitter Receiver is built around the Qualcomm Bluetooth 6.0 platform and is positioned for airplane and TV use. Its 5.0 rating is the highest listed among these products, though ratings alone do not verify performance. Its defining features are fast pairing, a two-headphone synchronized mode, and more than 24 hours of playback.
Pros
- Highest listed product rating
- Connects two synchronized headphones
- Works as transmitter or receiver
- Quick automatic reconnection
- Long travel-focused battery life
Cons
- Range is shorter than home models
- High-resolution claim depends on setup
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The adapter can send AUX or RCA audio from televisions, game consoles, portable players, and airplane entertainment systems to Bluetooth headphones. It can also receive phone audio for wired stereos, car systems, and home speakers. Its dual-channel multipoint function supports two headphones with a stated 40-foot range, while the transmitter mode is designed to keep the two outputs in sync.
A potential mismatch is range: the 40-foot figure is more appropriate for a plane, hotel room, or nearby television than for moving throughout a large home. The listed 24-bit/96kHz performance also depends on the full signal chain and compatible receiving hardware. Auto-reconnection is listed at approximately five seconds, which is convenient, but users should still initiate pairing the first time each device is connected.
This product is best for frequent travelers who want to share in-flight entertainment with another listener and want one device that can also serve as a receiver elsewhere. It is less compelling for a large household because its stated range is modest compared with the 1Mii home adapters. For compact travel use, however, the combination of multipoint, battery life, and quick reconnection is compelling.
Shared Airplane Entertainment
The included dual-prong airplane adapter helps the transmitter connect to the dual-output headphone socket found on many aircraft. Two Bluetooth headphones can then be connected for a shared movie, podcast, or game.
Fast Recovery Between Devices
The listed five-second automatic reconnection reduces setup time when returning to a previously paired headset. One-touch pairing and LED status indications also make the operating state easier to identify in a travel environment.
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5. 1Mii Bluetooth 5.3 Airplane – Best Simple Travel Adapter
1Mii Bluetooth 5.3 Airplane
Bluetooth 5.3 dual-mode
Two simultaneous outputs
aptX Low Latency
18-hour battery life
The 1Mii Bluetooth 5.3 Transmitter Receiver is a compact, approachable adapter for TVs, computers, gym equipment, flights, and older stereos. Its 4.0 rating and feature set emphasize simplicity: two simultaneous Bluetooth outputs, transmitter and receiver modes, backward compatibility, and aptX Low Latency.
Pros
- Compact transmitter and receiver
- Supports two wireless listeners
- Backward-compatible Bluetooth design
- Useful for games and movies
- Long stated battery life
Cons
- Older wired input selection
- No stated screen or remote
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In transmitter mode, it can turn a non-Bluetooth television, PC, or exercise or flight system into a source for Bluetooth audio. In receiver mode, it sends phone or computer audio to a car or home system that lacks Bluetooth. The product supports 3.5 mm AUX and dual RCA connections, making it useful for conventional analog equipment.
Its input selection is less comprehensive than some newer models because it does not list optical or coaxial support. That means newer televisions may require an appropriate external converter if they lack RCA or 3.5 mm audio output. The stated 18-hour battery life is shorter than the 20-plus-hour figures of several travel competitors, and the product has no listed display for finding paired devices.
This adapter suits a buyer who wants a small, uncomplicated way to connect two Bluetooth headphones for a flight, game, workout, or TV program. It is a sensible pick when analog AUX or RCA connections are available and low latency matters. Users with a modern optical-only television will get more flexibility from one of the models with digital input support.
A Practical Two-Headphone Setup
Multipoint support lets two Bluetooth headsets or speakers receive the same source, which is useful for shared travel or gaming. The adapter is designed to reconnect to previously paired devices for convenient repeat use.
Low-Latency Entertainment
aptX Low Latency can reduce audiovisual delay for video and games when supported by the connected receiving device. The feature is particularly relevant for mobile entertainment and gaming rather than stationary music listening.
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6. 1Mii B03 – Best Established Home Companion
1Mii B03
Bluetooth 5.3 dual-mode
Two-output multipoint
TV bypass mode
Up to 164-foot outdoor range
The 1Mii B03 is a versatile home audio adapter that can send TV or DVD audio to Bluetooth headphones and speakers or stream phone audio to a wired stereo. Its 4.2 rating is among the stronger figures in the group, and its principal appeal is the combination of multipoint, bypass functionality, and flexible connections.
Pros
- Transmitter and receiver functions
- Supports two Bluetooth outputs
- Wireless and wired TV bypass
- Multiple digital and analog inputs
- Strong stated line-of-sight range
Cons
- TX and RX cannot run together
- Codec behavior depends on receivers
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In transmit mode, two Bluetooth headphones or speakers can be connected simultaneously. Bypass Mode also sends the television's audio to a wired soundbar at the same time, enabling one viewer to use wireless headphones at a personal volume while others continue listening through the soundbar. Optical, RCA, and 3.5 mm connections give users several ways to integrate it with existing equipment.
The stated range extends to 164 feet outdoors with line of sight and 82 feet indoors, although real results vary with walls, metal, Wi-Fi, and the receiving unit. The product supports aptX HD, aptX Adaptive, and aptX Low Latency, but each requires a compatible receiver. Two aptX LL headphones use standard aptX for stability, and the transmitter and receiver modes cannot run at the same time.
This is a strong general recommendation for households seeking private TV audio without giving up their main soundbar. It also works for reversing an older audio path when a phone or computer needs to send music to wired speakers. It is a more complete option than a transmitter-only adapter, though buyers seeking modern digital TV inputs or travel-focused battery specifications may prefer a newer alternative.
Private and Shared TV Audio
Bypass Mode is the defining feature for mixed-volume households. Bluetooth headphones receive the program while a wired soundbar plays the same television audio, without requiring all listeners to use the same output.
Flexible Audio Routing
Digital and analog connections make the B03 adaptable to televisions, DVD players, and home stereo systems. In receiver mode, it adds Bluetooth to wired equipment; in transmitter mode, it adds wireless headphones to wired sources.
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7. SOOMFON Bluetooth 5.3 – Best Value-Focused Home Option
SOOMFON Bluetooth 5.3
Bluetooth 5.3 transmission
Two simultaneous outputs
10–30 meter stated range
LCD and volume controls
The SOOMFON Bluetooth 5.3 Transmitter Receiver is a value-focused home adapter for sending television or other audio to two Bluetooth headphones. Its 4.0 rating reflects a capable but intentionally straightforward product. The LCD, built-in volume controls, automatic reconnection, and inclusion of several cables make it approachable for everyday users.
Pros
- Two headphones connect together
- Supports modern and legacy outputs
- Automatic reconnection after pairing
- LCD makes status visible
- Includes several necessary cables
Cons
- Uses the SBC encoder
- No microphone or smart-device support
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The transmitter supports optical, AUX, and RCA connections, allowing it to work with many television and audio-source configurations. Two headsets or speakers can listen at the same time, and the product is advertised as reconnecting them automatically after the initial successful pairing. A stated range of 10–30 meters gives it room to work across a typical home, with the lower part of that range relevant when walls are present.
Its limitations are meaningful for advanced users. The product lacks a microphone, does not support instruments or karaoke, cannot serve smart devices such as Alexa or hearing aids, and is incompatible with sources that require a PIN code. It uses SBC encoding, and the volume control is not independent for the two connected devices.
This model is well suited to couples or family members who want the same television program on two wireless headphones. It is a good budget-oriented choice when optical or AUX convenience, a visible status screen, and automatic reconnection matter more than advanced codecs. It should not be considered for musical-instrument monitoring, Bluetooth hearing aids, or users requiring separate volume control for each listener.
Visible Status and Simple Reconnection
The LCD provides a clearer view of pairing and operating status than models with only indicator lights. Once the initial pairing is complete, two previously connected headphones or speakers can reconnect automatically.
Connections Included in the Box
The package includes a 3.5 mm-to-RCA cable, a 3.5 mm audio cable, an optical cable, and a USB-C charging cable. This broadens the adapter's usefulness across different source equipment.
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8. Avantree Relay – Best Dedicated Airplane Adapter
Avantree Relay
Transmitter-only airplane design
Two simultaneous headphones
aptX Adaptive and HD
Up to 25-hour playback
The Avantree Relay is a dedicated airplane Bluetooth adapter rather than a general home adapter. It has a 4.3 rating, supports two pairs of Bluetooth headphones or earbuds from one airplane entertainment source, and uses Qualcomm audio technology with aptX Adaptive and aptX HD support.
Pros
- Purpose-built for airplane entertainment
- Connects two headphone sets
- Includes dual-prong airplane adapter
- Onboard volume controls
- Clear battery indicator
Cons
- Does not support television use
- Transmitter only, with no receiver
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Its three-step setup is easy to understand: plug the Relay into a 3.5 mm audio jack, put the headphones into pairing mode, and complete the connection. A dual-prong airplane adapter is included for compatible seatback systems. Onboard volume controls and a clear battery indicator are useful in a travel setting where finding phone controls would be inconvenient.
The Relay's narrow purpose is the main trade-off. It is transmitter only, has no microphone, and is not intended for phone calls, televisions, hearing aids, musical instruments, or receiving audio. Those exclusions make the product unsuitable for many household uses but also help clarify who will get the most from it: frequent airline passengers sharing entertainment with a companion.
This is a strong recommendation for anyone who regularly flies and wants two people to use their own wireless earbuds. It is not the right choice as a universal TV adapter, and buyers who need reverse Bluetooth reception or phone-call support should select a dual-mode model. For its defined travel role, the Relay offers a focused and easy-to-use design.
A Cleaner Airplane Setup
The included dual-prong adapter handles aircraft systems with a two-output jack, while standard 3.5 mm sources can use the Relay directly. Its dedicated form avoids unnecessary features that would not be useful in flight.
Codec Support for Travel Listening
aptX Adaptive and aptX HD support can provide stable, detailed audio when used with compatible headphones. The actual codec remains subject to the capabilities of the paired headset and the source.
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9. Avantree Oasis Plus 2 – Best TV Volume-Control Choice
Avantree Oasis Plus 2
Optical and AUX inputs
Two simultaneous headphones
Optical passthrough
Remote volume control
The Avantree Oasis Plus 2 is built specifically for private television listening through Bluetooth headphones. It has a 4.1 rating, and its standout feature is convenient volume control through device buttons or a supplied remote. It can connect two headphones at once, making it appropriate for couples or family members watching at different levels.
Pros
- Two wireless headphones supported
- Convenient remote volume adjustment
- Simultaneous soundbar and headphone audio
- Direct optical or AUX connection
- Focused private-TV design
Cons
- No HDMI ARC or eARC support
- Not compatible with hearing aids
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The transmitter connects through a television's optical SPDIF or AUX output. Optical Passthrough allows the same TV audio to play through an optical soundbar and Bluetooth headphones simultaneously, so people who do not use wireless headphones are not excluded. A 3.5 mm connection is also available for devices with a headphone or line-level output.
Compatibility limits need to be checked before purchase. The Oasis Plus 2 does not work with HDMI-only televisions, HDMI ARC or eARC, or AV receivers. It also does not support Auracast or Bluetooth hearing aids. For the latter use, the supplied information directs buyers toward the Avantree Oasis Aura instead.
This product is a good fit for a household that wants wireless TV audio and retains a wired soundbar at the same time. The remote is particularly useful for someone who does not want to walk to the television or repeatedly reach the transmitter. It is less versatile than dual-mode models because its supported sources are narrower, but its focus makes setup and daily operation straightforward.
Volume Control Where You Sit
The included remote lets viewers adjust the private listening volume without returning to the television or transmitter. On-device buttons provide a second control method for nearby setup tasks.
Headphones and Soundbar Together
Optical Passthrough sends television audio to both an optical soundbar and connected Bluetooth headphones. This arrangement supports a mixed household where some viewers use wireless audio while others prefer the room speakers.
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10. 1Mii B03Pro+ – Best High-Resolution Audio Choice
1Mii B03Pro+
Bluetooth 5.3 dual-mode
LDAC 24-bit/96kHz
Two-device bypass mode
aptX Low Latency
The 1Mii B03Pro+ is the premium option in this guide, with a 4.1 rating and a feature set aimed at high-resolution home listening. Its distinguishing capability is LDAC transmission and reception, supporting wireless audio up to 24-bit/96kHz when the paired device also supports LDAC.
Pros
- Supports high-resolution LDAC audio
- Works as transmitter or receiver
- Wireless and wired bypass
- Readable display with controls
- Flexible home audio connections
Cons
- LDAC limited to one output
- High-resolution mode needs compatible gear
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The adapter can work in either direction. Receiver mode sends music from a phone, tablet, laptop, or desktop to an existing sound system. Transmitter mode connects Bluetooth headphones or speakers to a television or other wired source. TX Bypass Mode supports simultaneous wireless headphones and a wired TV soundbar, accommodating different volume needs within one household.
The crucial LDAC limitation is that transmit-mode LDAC works when paired with only one Bluetooth headphone or speaker. Using two outputs requires a different operating arrangement, so buyers seeking both high-resolution transmission and two-device multipoint should verify their exact listening priorities. aptX Low Latency can reduce lip-sync delay when supported by the receiver, but another codec may produce a delay of approximately 70–200 milliseconds.
This is the recommendation for an audiophile-oriented listener who wants LDAC capability in both transmission and reception and appreciates a readable screen. It is also well suited to premium home systems because it can add wireless connectivity without requiring replacement of existing equipment. Listeners focused only on sharing basic TV audio can get the essential multipoint function at a lower tier.
High-Resolution Wireless Audio
LDAC can carry audio at up to 24-bit/96kHz, offering a high-resolution pathway when the source and paired device support it. A compatible receiving headset is still required for the benefit to appear in transmit mode.
Premium Home Audio Flexibility
The B03Pro+ can add wireless headphones to a television, add Bluetooth reception to an older stereo, and support wired bypass for a shared soundbar. Its display and integrated volume control make a larger setup easier to navigate.
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Buying Guide – How to Choose the Best Multipoint Bluetooth Transmitter
The right multipoint transmitter depends on your source equipment, whether you need reverse Bluetooth reception, how many people will listen, and how much control you want over volume and latency.
Confirm the Audio Source Connection
Start by identifying the exact output available on your television, stereo, game console, or airplane entertainment unit. The 1Mii B06TX and B03 accept optical, coaxial, RCA, and 3.5 mm connections, while the SOOMFON model supports optical, AUX, and RCA. Other models are primarily designed around 3.5 mm and RCA sources. A transmitter cannot connect to a source if the necessary physical output is missing, so check the labels on the back of the equipment before purchasing.
Choose an adapter with more than one relevant input if you expect to move it between rooms or devices. Optical and coaxial connections are common on modern televisions, whereas RCA and 3.5 mm remain useful for older sets, projectors, and stereo equipment.
Determine Whether You Need TX and RX
A transmitter sends audio from a wired source to Bluetooth headphones. A receiver does the opposite, accepting Bluetooth from a phone and sending the sound to wired speakers or a stereo. Dual-mode products such as the 1Mii B03, B03+, B03Pro+, and the 2026 Upgrade Pro provide more flexibility, while the 1Mii B06TX and Avantree Relay are transmitter-only.
If your primary goal is private television viewing, transmitter mode is enough. Choose a dual-mode adapter if you also want to modernize an older home stereo, car audio system, or pair of speakers without replacing them.
Validate Two-Listener Multipoint Behavior
Multipoint in this context usually means one source can feed two Bluetooth headphones or speakers at the same time. Most models in the guide support this, but some high-resolution features operate differently with two outputs. The B03Pro+ supports LDAC in transmit mode with only one paired headphone or speaker. The B03+ switches from aptX Low Latency to standard aptX when two aptX LL devices are connected.
Look for the exact number of supported outputs and read the codec notes. A device marketed for two listeners may still use a less advanced codec or reduce maximum resolution to preserve stability.
Match Latency to the Content
Latency matters most for films, television, gaming, and interactive video where delayed sound can be distracting. aptX Low Latency appears across several 1Mii products and can lower delay when the receiving headphones support it. The Bluetooth 6.0 travel adapter and 2026 Upgrade Pro emphasize low-latency or lag-free operation, while the SOOMFON product uses SBC.
Choose for the codec both sides can negotiate, not merely the most advanced label on the box. Music-only listening is less sensitive to delay than synchronized video, and multipoint configurations sometimes trade a specialized codec for stability.
Compare Range with the Room
Range figures should be treated as directional rather than guaranteed. The 1Mii B03+ lists up to 230 feet outdoors in line of sight and 70–100 feet indoors, while the B03 lists up to 164 feet outdoors and 82 feet indoors. The SOOMFON model lists 10–30 meters, and the Bluetooth 6.0 travel adapter uses a more compact 40-foot stated range.
Walls, metal furniture, Wi-Fi interference, and the receiving device can all affect performance. Choose a longer-range model for a large home or when moving between rooms, and a compact short-range adapter for aircraft, hotel rooms, and close-position listening.
Inspect Input and Output Flexibility
Digital passthrough can allow a television's soundbar to keep working while Bluetooth headphones receive the same program. The Avantree Oasis Plus 2 offers optical passthrough, while the 1Mii B03, B03+, and B03Pro+ support wired bypass combinations. This is valuable when one household member uses wireless headphones and another continues using the main television speakers.
Check whether the product supports inputs only or both inputs and outputs. Dual-mode adapters with analog and digital options are generally easier to integrate, but their menus and controls may be more complex than those of a dedicated single-purpose transmitter.
Consider Battery Life and Charging
Battery life is most relevant for portable use. The 2026 Upgrade Pro offers more than 20 hours of playback, the Bluetooth 6.0 travel adapter offers more than 24 hours, and the Avantree Relay offers up to 25 hours. The 1Mii airplane model lists 18 hours. The 2026 Upgrade Pro and Bluetooth 6.0 adapter also recharge in approximately 1.5 hours over USB-C.
For home-only use, charging speed may matter less than cable support and reliable powered operation. For travel, choose a battery that comfortably exceeds the length of a typical flight or day and confirm that a suitable charging cable is included or readily available.
Check Exclusions Before Buying
Multipoint is not universal compatibility. The Avantree Relay is explicitly intended for airplane entertainment and not televisions or phone calls. The 2026 Upgrade Pro excludes instruments, karaoke, 2.4 GHz synchronization devices, and Bluetooth hearing aids. The SOOMFON model lacks a microphone and cannot serve Alexa, hearing aids, or PIN-protected devices, while the Oasis Plus 2 does not support HDMI ARC/eARC or hearing aids.
Read the limitations for any specialized use, especially live music, karaoke, phone conversations, hearing aids, and smart speakers. These restrictions are generally better discovered before purchase than after setup.
How to Use and Care for Your Multipoint Bluetooth Transmitter
Begin by identifying the correct audio output on the source. Connect the transmitter with the appropriate optical, coaxial, RCA, or 3.5 mm cable, then power the adapter and place both Bluetooth headphones or speakers into pairing mode. For digital television outputs, select optical or digital audio and use PCM when required by the product instructions.
Pair the first listening device, confirm the connection through the display or LED indicators, and then pair the second device using the adapter's multipoint or dual-connection control. After both devices are connected, adjust the volume from the transmitter, remote, or source device and confirm that both listeners hear synchronized audio.
To maintain reliable performance, keep the transmitter unobstructed, use the proper digital setting for the connected source, and avoid placing it inside a crowded metal enclosure. Clean the ports gently, protect the charging cable from sharp bends, and update or re-pair the headphones if a previously remembered device fails to reconnect automatically.
Frequently Asked Questions
What is the difference between a Bluetooth transmitter and receiver?
A transmitter takes audio from a wired source and sends it to Bluetooth headphones or speakers. A receiver accepts Bluetooth audio from a phone, tablet, or computer and relays it to a wired stereo or speaker. A 2-in-1 adapter can perform either function, but it normally must be switched between TX and RX modes rather than operating both at once.
Can a multipoint Bluetooth transmitter connect two headphones?
Yes, when the product explicitly supports dual or multipoint connections. Most models in this guide can send one source to two Bluetooth headphones or speakers. Certain premium codecs may behave differently with two devices, so check whether the second connection reduces resolution or changes the negotiated codec.
Why does my Bluetooth TV audio have a lip-sync delay?
The delay usually results from the codec used by the transmitter and headphones rather than from the source itself. Using compatible devices that support aptX Low Latency can reduce the problem, but multipoint configurations, unsupported codecs, or the TV's audio processing may still introduce delay.
Can I connect a Bluetooth transmitter to any television?
Only if the television has a compatible audio output. Common options include optical, RCA, coaxial, and 3.5 mm, but HDMI-only televisions require a separate converter. The Avantree Oasis Plus 2 also does not support HDMI ARC or eARC passthrough.
Does using two Bluetooth headphones reduce sound quality?
It depends on the model and codec. Some adapters can maintain high-quality output to two devices, while others switch to a more stable codec such as standard aptX. The 1Mii B03Pro+ lists LDAC transmission only when paired with one headphone or speaker, making codec support an important comparison point.
Are Bluetooth hearing aids compatible with these transmitters?
Not universally, and several products explicitly exclude them. The 2026 Upgrade Pro and SOOMFON adapter are listed as incompatible with Bluetooth hearing aids, while the Avantree Oasis Plus 2 does not support hearing-aid use. Users should verify a specific hearing-aid model with the manufacturer before purchasing.
Which transmitter is best for airplane entertainment?
The Avantree Relay is the most dedicated travel option because it includes a dual-prong airplane adapter and supports two headphone sets. The 2026 Upgrade Pro and Bluetooth 6.0 Transmitter Receiver are more versatile alternatives that also support TV use, receiver mode, and longer battery operation.
Why does an optical TV connection require PCM audio?
Many Bluetooth transmitters cannot pass through compressed surround formats such as Dolby Digital or DTS through a digital optical input. Setting the television to PCM provides a compatible stereo signal that the adapter can transmit. A separate digital audio extractor may be needed if the television cannot output PCM.
Final Thoughts on Choosing the Best Multipoint Bluetooth Transmitter
The 2026 Upgrade Pro Bluetooth 6.0 adapter is the most versatile top pick because it combines transmitter and receiver modes, two-listener multipoint, travel-oriented battery life, and fast USB-C charging. The SOOMFON model is a value-focused home alternative, while the 1Mii B03Pro+ earns the premium position for LDAC support and flexible high-resolution home audio.
Prioritize the connection your source actually supports, then decide whether you need reverse Bluetooth reception, optical passthrough, a remote, or a compact travel design. Check codec behavior with two connected devices, because high-resolution and low-latency features can require compatible hardware or may change when multipoint is active.
Ratings and specifications provide a useful starting point, but the product listing and manual remain important for installation details. Confirm the current version, included cables, supported outputs, and warranty before purchasing. Prices and availability can change, so compare the current listing rather than relying on an earlier deal or promotion.