MODEL: GA-5¡¡Power Output: 5W RMS @ 1.0% THD INTO 4¦¸Speaker: 1x5¡¯¡¯ 4¦¸(LEAD)Input Sensitivity: Normal 28m VF=1KHz Volume &Tone MaxNoise: -40dB(Gain Max) -70dB(Gain Min)Controls: Gain, Volume, High, Mid, Low Chorus (Speed) Dimensions (W)*(H)*(L): 120*125*60