This is a buttons kit for our audio amplfiier boards. It can work with our DSP audio amplifier board and control the audio vol+,vol-,play/pause. There are 3 stainless waterproof panel mount buttons in this kit. Button diameter is 12mm. All 3 buttons are momentary switch. Wires length is 50cm.

This buttons kit can connect with TSA7551,TSA8800,TSA7801B, TSA7802B,TSA7802B