Bluetooth 5.0 Audio Receiver Board Lossless Stereo Output Wireless Decoder Module with 3.5mm Jack

Color D Bluetooth Audio Decoder Board Overview A compact Bluetooth audio decoder board designed to add reliable wireless audio streaming to headphones, amplifiers, and audio projects. The unit features an all metal shell for improved interference resistance and delivers clear stereo output through a standard 3.5 mm audio jack. Key benefits Add Bluetooth audio quickly and simply to existing wired audio equipment using the standard 3.5 mm output. Maintain audio fidelity with strong signal to noise and low distortion figures. Flexible power options for desktop use or battery powered portable installations. Performance and specifications Power supply: 3.7 to 5 V Signal to noise ratio SNR: 90 dB Distortion THD+N: minus 70 dB Crosstalk: minus 86 dB Dynamic noise ratio DNR: 91 dB Wireless range LOS greater than 15 m Supported Bluetooth profiles: A2DP, AVCTP, AVDTP, AVRCP, HFP Interfaces and indicators Micro USB power input: universal 5 V USB power supply compatible External power pad: accepts 3.7 to 5 V lithium battery for direct battery power conversion Audio output: standard 3.5 mm stereo jack for headphones, active speakers, or amplifier input LED indicator: long blue light when powered on and in pairing mode All metal shell for better shielding and reduced interference Pairing and operation Power on the board. The blue LED will light continuously to indicate pairing mode. The unit issues an English voice prompt to indicate it is ready to pair. On a mobile device, search for the Bluetooth name XY_BT and select it to connect. After pairing, the decoder board announces a successful connection and is ready for audio playback. Practical applications Home audio upgrades: add Bluetooth streaming to older amplifiers, powered speakers, or desktop audio systems. Portable setups: power from a 3.7 V lithium battery to create a portable Bluetooth receiver for on the go listening. DIY audio projects: integrate into custom enclosures or electronics projects where a reliable Bluetooth audio input is required. What it connects to Any device that supports Bluetooth audio profiles listed above, including smartphones, tablets, and computers that can stream via A2DP. Any audio input that accepts a 3.5 mm stereo plug, including headphone inputs and line inputs on amplifiers and powered speakers. What is included and material Decoder board with all metal shell for enhanced shielding. Interfaces for Micro USB power and an external 3.7 to 5 V battery connection. This decoder board provides a straightforward way to enable wireless audio while preserving sound quality and compatibility with common audio devices.