Randall SATAN Guitar Amplifier Head, Ola Englund Signature 2 Channel - 4 mode 120 Watt All tube head with Active/Passive inputs, preset "kill" boost mode, Girth&Grind- Low/High Frequency Gain controls, Sweep function provides variable tone stack frequency point control. Full EQ for both channels, Presence/Depth power amp voicing, Push/Pull bias controls, Series/Parallel Loop, Heavy duty metal front/rear grills, corners, edging. 2 Button LED foot switch included