30-watt 2-channel All-tube 2x12" Guitar Combo Amplifier with Footswitchable Reverb and Tremolo Effects, Effects Loop, and Celestion G12M Greenback Speakers Its two channels - normal (with bright switch) and drive - are voiced for classic blues, country and rock. Other features include Fender spring reverb, an effects loop and two-button channel footswitch. The great look includes tweed covering, chicken head pointer knobs and a chrome control panel.