hot sale professional PA amplifier

*MP3 digital PA amplifier
*USB/SD/FM/BT/MMC card input
*MP3 VFD digital frequency spectrum display
*Main channel bass and treble tone adjust
*Dual microphones and AUX input in front panel and rear panel

Distortion : 1% at 1KHz, 1/3 power rated
Input mic 1-2: 60dBv(1.0mv), 600O,balanced,phone jack
Input AUX: 20dBv(100mv), 10KO,unbalanced,pin jackRCA
Tone control: bass:+/-10dB at 100Hz
Tone control: treble:+/-10dB at 10KHz
hot sale professional PA amplifier