Krank Amps Black Chadwick Series 2-Channel Tube Guitar Head with Chrome Grill Two channel, footswitchable 50W head with Hot-rodded classic British tone Preamp four 12AX7 tubes, power section two Sovtek 5881 tubes Separate volume, gain and 3 band eq sections per channel Drive boost on dirty channel, fixed parametric shift, envelope on dirty channel Active/passive effects loop, ohm selector, worldwide voltage use, footswitch included