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- This Bluetooth audio receiver board is able to give your amplifier/home stereo bluetooth capability, just a very simple operation can be converted into wireless audio, you won't need to be tethered by a cord when you always play music through the aux. input on the home stereo, from cord to say good-bye!
- Power: it's a Micro USB connection for power, powered by DC 5V, or if you want to solder your own power then you can take that route if you like. The audio output connects to headphones or active loudspeaker box or amplifier(if yours is passive loudspeaker box, please connect amplifier first). Then your own wireless audio is done.
- It has three kinds of audio input: 1. bluetooth receive; 2. USB decoding play; 3. TF card decoding play, press the "MODE" key to switch between them; Support multiple formats: MP3, WMA, WAV, FLAC; When you hook it up and turn your bluetooth on and add your device then no one else can connect to it too. So your building a bluetooth homemade speaker box it's perfect, Just enjoy your own DIY wireless amplifier it!
- The bluetooth audio transmitter board has small membrane buttons for mode, volume(volume can be controlled from the phone or buttons on the board), next, previous, play/stop and sound effect(only valid under USB or TF card mode), please refer to the pictures shown on listing. Also has a small LED blinks blue when the bluetooth connects successfully.