Bluetooth Audio Receiver Board - RCA(Apt-X) TSA7804B two buttons on the module

two buttons on the module can be configured to have different functions as you need

Power up another TSA8814

SPDIF audio signal has higher priority

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TSA7510B can automatically detect the Aux in/Line in Audio input

Bluetooth Audio Receiver Board - RCA(Apt-X) TSA7804B two buttons on the moduleThis Bluetooth Music Receiver connects to the RCA input on your home audio system. You can then stream audio from your Bluetooth enabled cell phone or mp3 player to your home audio system. Enjoy the convenience of having your music source in the palm of your hand and listening to it through your home stereo. it comes with a new AudioB plus Bluetooth module that supports Apt X. Features: Size: 56*33*15mm Bluetooth 5. 0 19mA@5V Apt X supported Stereo