We are offering amplifier. Power output: 80w rms at 10% thd 110w rms max. Input channels: mic: 5 x mic 0.65mv 4.7kohmsaux: 2 x aux 100mv 470kohms frequency response: 65-15 khz +- 3db tone controls: bass: -10db at 100hztreble: -10db at 10khz speaker output: 4 ohms, 8 ohms , 16 ohms 70 volt and 100v digital player: mp3 player with usb, sd & mmc card readerand remote control