Enjoy wireless sound in top quality with the SonicLINK Pro TX40 Bluetooth 5.2 Audio Transmitter. This compact USB transmitter turns any TV, PC, projector or console into a Bluetooth transmitter. Simply plug it in, pair your wireless headphones or speaker, and experience crystal-clear sound without noticeable delay.
Thanks to the powerful Qualcomm QCC3040 chipset, the TX40 supports multiple audio formats, including aptX, aptX HD, aptX Low Latency (40ms) and aptX Adaptive. This way, you always enjoy the best balance between sound quality and minimal delay – ideal for movies, gaming and audio.
With the dual-stream function, you can easily connect two Bluetooth headsets or speakers at the same time. Perfect for watching or listening together. Moreover, the TX40 remembers previously paired devices, so after the first use it always reconnects automatically.
Main features:
- Bluetooth 5.2 with Qualcomm QCC3040 – stable and energy-efficient
- Supports SBC, aptX, aptX HD, aptX LL & aptX Adaptive
- Ultra-low latency (40ms in aptX LL) – perfect for movies and games
- Dual-stream – connect 2 Bluetooth headsets or speakers simultaneously
- Plug & Play – no drivers or software needed, ready to use immediately
- Compatible with TV, PC, laptop, projector, amplifier, PS4, PS5, Nintendo Switch
With the SonicLINK Pro TX40 you get a powerful and reliable Bluetooth audio transmitter. Perfect for those who want to wirelessly connect their TV, computer or console to high-quality Bluetooth headsets or speakers.
Indicator lights (codec status):
- Blue steady = SBC
- Cyan steady = aptX
- White steady = aptX LL
- Green steady = aptX HD
- Orange steady = aptX Adaptive
Specifications:
- Model: TX40
- Type: Bluetooth audio transmitter (transmit only, no receive function)
- Chipset: Qualcomm QCC3040
- Bluetooth: 5.2
- Supported protocols: A2DP / AVRCP / HFP / HSP
- Audio codecs: SBC, aptX, aptX Low Latency (40ms), aptX HD, aptX Adaptive
- Sampling & bit depth: 44.1–96 kHz / 16–24 bit
- Latency: up to 40ms (aptX LL)
- Signal-to-noise ratio: >90 dB
- Transmission range: 8
- Dual stream: yes, up to 2 devices simultaneously (same codec, aptX Adaptive also possible)
- Supported systems: iOS, Android, Linux, Windows XP/7/10/11, macOS (limited), PS4/PS5, Nintendo Switch, projectors, TV boxes, amplifiers, PCs, TVs.
- Dimensions: 17 × 15 × 7 mm
Important disclaimer:
The TX40 Bluetooth Audio Transmitter is not suitable for use with Mac computers (macOS).
- macOS does not support aptX codecs (only SBC/AAC), so features like aptX HD, aptX Low Latency and aptX Adaptive do not work.
- Additionally, the TX40 may not be correctly recognised as a USB audio device on a Mac.
Therefore, use this product only with Windows, Android, iOS, PS4/PS5, Nintendo Switch, TVs, projectors or other supported systems.
Limitations:
- No Bluetooth receiver → can only transmit audio, not receive.
- No support for keyboards, mice or file transfer (audio only).
- No software assistant
- aptX Adaptive works only with compatible devices (QCC304x/QCC51x chipsets or newer).