QOLTEC wireless audio receiver adapter Bluetooth 6.0 with 2×RCA, 1×3.5mm AUX and USB for home and car

Compact QOLTEC wireless audio receiver adapter Bluetooth 6.0 with 2×RCA, 1×3.5mm AUX and USB for home and car provides a simple way to add Bluetooth streaming to HiFi systems, powered speakers and car stereos. The adapter supports wireless audio reception from smartphones, tablets and laptops and delivers analogue output via two RCA connectors and a 3.5 mm AUX jack. A USB port supplies power and may also be used for playback from compatible USB audio sources, enabling portable installation in living rooms, garages or vehicles.

Advantages

The Bluetooth 6.0 module ensures stable wireless connectivity and improved pairing responsiveness compared with earlier Bluetooth versions. Compact housing and standard analogue outputs make the unit compatible with a wide range of existing audio equipment without requiring modifications. USB power flexibility allows use with wall adapters, USB ports on car head units or portable power banks. Simple pairing procedure and plug-and-play operation reduce setup time for non-technical users.

Suitable for

• Adding Bluetooth streaming to home amplifiers and HiFi systems
• Connecting modern phones and tablets to older speakers or receivers
• Upgrading in-car stereos to receive wireless audio
• Portable setups powered by USB power banks or vehicle USB outlets

Key specifications

• Bluetooth version: 6.0 for improved link stability and responsiveness
• Analogue outputs: two RCA connectors (left/right) and one 3.5 mm AUX jack
• USB port: for power supply and compatible audio playback options
• Compatibility: works with smartphones, tablets and laptops supporting standard A2DP audio streaming
• Form factor: compact, portable adapter suitable for tabletop or in-vehicle installation

How to use

Connect the adapter's RCA outputs or 3.5 mm AUX jack to the corresponding input on your amplifier, speaker or car stereo. Power the unit via the USB port using a wall charger, vehicle USB outlet or power bank. Enable Bluetooth on your source device, search for available devices and pair with the adapter following the device prompts. After successful pairing, select the adapter as the audio output on your source device and start playback. Volume and audio quality are controlled by the connected playback device and the receiving audio system.

Usage recommendations

For best audio quality, use a short, high-quality RCA or 3.5 mm cable and position the adapter within a reasonable range of the source device to avoid interference. When installing in a vehicle, route cables away from mains wiring and other noise sources. Use a stable USB power source rated to provide sufficient current for continuous operation.