... *10" .Dimensions: 66*32*53.5cm .Output power: 100W 100W Guitar Amplifier Detailed Specifications:1) Output power: 100W2) Speaker: 2*10"3 ... : Overdrive Reverb Delay4) Functions: Clean Volume, Bass Middle Treble,ODS/W, Overdrive ,Gain Level, Max Bass MiddleTreble, Effect Level, Delay ,CD ... Output, Return and Send5) Dimensions: 66*32*53.5cm 100W Guitar Amplifier