Bass Amplifier 1. Speaker Driver:10 inch 2. Speaker impedance:8ohm 3. Guitar speaker Features:*Input,Volume,Bass,MID,Treble;*Bright, Limter,CD,Phones,Direct Out;*Preamplifier Out;*Amplifier In;*Effect loop.Specification: Speaker Driver10 InchSpeaker Impedance8 OhmsRMS Power 35WInput Sensitivity120mv(1KHz) S/N 76dB Frenquncy20Hz-20KHz Input Impedance2.2 Kohm Guitar Amplifier/ Bass Amplifier B-35