How many music sources can connect to this at one time? I'd like to connect 2 laptops vie bluetooth to share some speakers.

Hi, 1Mii B03Pro+ Bluetooth Transmitter Receiver can play one music source sound at one time via wired audio cable. Would you please email to SUPPORT-UK@1MII.COM with more details of pairing with Bluetooth laptop? Thanks.

How do you get dual link to work, mine will only transmit to one device at a time.

After you've connected the first device, switch on the second device in pair mode. Press the |× Bluetooth button on the transmitter for two seconds and it should connect. Doesn't happen automatically from my experience.

Hi,cant i connect my optoma hd143x projector to this,to play sound through 2 amazon studio speakers? Thanks 4 any replies

Yes, you can connect any device with an audio output to the device and then receive the sound on any bluetooth enabled device.

I have an ageing onkyo av receiver with wired speaker outputs. can i use two pairs of these to tx and rx to the left and right wired speakers ?

Hi, does your onkyo av receiver has 3.5mm aux, rca or optical output port? 1Mii B03Pro Bluetooth transmitter receiver can not work with passive speakers directly. If you could connect B03Pro with av receiver directly, and keep onkyo av receiver connect with the left and right wired speakers at the same time, it works. Feel free to contact us at SUPPORT-UK@1MII.COM for more help. Thanks.

B03pro | Desertcart Iceland

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Description

🎶 Elevate your audio game—wireless freedom meets audiophile precision!

UNMATCHED LONG RANGE FREEDOM - Roam freely up to 265ft (80m) outdoors or 80-110ft indoors without losing connection—cut the cords, not the vibe.
DUAL LINK MULTI DEVICE SUPPORT - Stream simultaneously to 2 Bluetooth headphones plus 1 wired soundbar, perfect for shared listening without compromise.
AUDIOPHILE GRADE DAC FOR PURE SOUND - Built-in high-fidelity DAC delivers pristine, lossless audio with an impressive 121dB signal-to-noise ratio, elevating your home stereo to true Hi-Fi status.
SEAMLESS BLUETOOTH 5 3 CONNECTIVITY - Experience ultra-stable, next-gen wireless audio with the latest Bluetooth 5.3 and Qualcomm aptX HD/LL codecs for crystal-clear sound and minimal lag.
ZERO LIP SYNC DELAY FOR TV GAMING - Enjoy perfectly synced audio with aptX Low Latency tech, eliminating frustrating delays during movies, gaming, or binge-watching sessions.

The 1Mii B03Pro Bluetooth Transmitter Receiver combines cutting-edge Bluetooth 5.3 technology with an audiophile-grade DAC to deliver superior, lossless sound quality. Supporting dual-link streaming to two headphones and wired soundbars simultaneously, it offers unmatched flexibility for home stereo setups. With a long-range connection up to 265ft and aptX Low Latency for zero lip-sync delay, it’s engineered for immersive TV, music, and gaming experiences.

Specifications

ASIN	B08R5TK9RQ
Audio Output Mode	Stereo
Audio Output Type	Digital Optical (SPDIF)
Best Sellers Rank	58,111 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 110 in Hi-Fi Receivers
Box Contents	3.5mm AUX Cable, 3.5mm to RCA Cable, Bluetooth Transmitter Receiver, DC 5V Power Cable
Brand Name	1Mii
Colour	Black
Compatible Devices	Amplifier, Personal Computer, Television
Connector Type	3.5 mm jack, RCA
Control Method	Touch
Controller Type	iOS
Customer Reviews	4.3 4.3 out of 5 stars (194)
Format	MP3 Audio, WMA
Item Dimensions D x W x H	7.4D x 9.7W x 2.3H centimetres
Item Weight	107 Grams
Manufacturer	1mii
Model Number	B03Pro
Network Connectivity Technology	Bluetooth
Number of Channels	2
Number of Items	1
Number of Packs	1
Other Special Features of the Product	Bluetooth 5.3, Extra Audiophile DAC Chip, Long Range, TX+BYPASS WORKING AT THE SAME TIME, aptX HD/AD/Low Latency
Output Power	1 Watts
Output Wattage	1 Watts
Software Update Supported to Date	unknown
Supported Internet Services	iTunes
Surround Sound Channel Configuration	2.0
Wireless Technology Type	Bluetooth

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