ITEM NAME:TDA7293 100W Monaural Amplifier D3L8 TDA7293 100W Monaural Amplifier D3L8 100% brand new and high quality Low distortion, low noise, high pressurization Switch machine mute,over heat protection, short circuit protection Output power:100W Power input:Double AC 12-32V,100W Channel type:1.0 mono Frequency range:20Hz-20KHz Compatible speaker:4-8Ω,50-200W,3-10'' bookshelf speaker and floor type sound box Dimension:60*45*35mm Material: PCB board Package included: 1 x TDA7293 100W Mono Audio AMP Amplifier Board Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.