Output power 100 watt RMS / 120 watt distortion into 4 ohm 2 CHANNEL Switch and foot switch for CHANNEL switching 3 band EQ. +- 16dB / CHANNEL GAIN and LEVEL / CHANNEL 5 standing Amplifier model switch / CHANNEL CLEAN-CRUNCH switch and foot switch / CHANNEL 5 band graphic EQUALIZER +- 20dB 12AX7 (ECC83) tube DSP processor with 16 Digital guitar effects EFFECT MIX. with SEND-RETURN LINE OUT Power Amp: low-noise transistors Pre-amp: low-noise operational amplifiers