Belcat Tube-5/Combo 5-Watt Ruby Tubes Electric Guitar Tube Combo Amplifier with 8-Inch Celestion Speaker 5 Watt High Performance Tube Amp/Combo Amp One EI84 Ruby Tube and one 12AX7 Ruby Tube 8" Super Celestion speaker Separate controls for Volume (clean channel), Volume (overdrive channel), Gain (overdrive channel), Treble and Bass Equalization knobs and a separate on/off switch for overdrive. It has a single 1/4" input, both a Standby and Master power switch Guaranteed to piss off your parents!