fosi audio bt10a bluetooth 5.0 stereo audio amplifier receiver 2 channel class d mini hi-fi integrated amp for home passive speakers 50w x 2 tpa3116 fosi audio <p><b>specifications:</b></p> <p> </p> <p> </p> <p>bluetooth version: bluetooth 5.0<br></p> <p> </p> <p> </p> <p>amplifier chip: tpa3116;</p> <p> </p> <p>rated output power: 2*50w /4ω;</p> <p> </p> <p>audio input: rca input + bluetooth input;</p> <p> </p> <p>audio output: 2 set of banana speaker jacks;</p> <p> </p> <p>signal to noise ratio: >99db;</p> <p> </p> <p>frequency: 20hz-20khz;</p> <p> </p> <p> </p> <p>power supply: dc 19v 4.74a;</p> <p><br></p> <p> </p> <p><b>packing list:</b></p> <p> </p> <p>1 * power amplifier</p> <p> </p> <p>1 * power supply </p> <p> </p> <p> </p> <p>1 * bluetooth antenna</p>