AC/DC  INPUT: AC 220V/DC 12V

 RATED POWER:25W*2

 SIGNAL-TO-NOISE RATIO:75db

 DISTORTION RATE:0.2%

 SPECIFICATION:53*47*26CM  12PCS/CTN

SPECIAL FUNCTION:USB,SD,TWO MIC INPUT

MIC INPUT AND DIGITAL DISPLAY

USB HOME AMPLIFIER