The Marshall JCM2000 TSL602 Combo Amp features clean, crunch, and lead channels, footswitchable with independent volume and gain knobs. Dishes out 60W of pure tube tone to 2 specially designed 12" speakers. Tube complement includes 4 ECC83s in the preamp and 2 EL34 power tubes. Footswitchable reverb has clean and crunch/lead controls. Channel controls are also dual: one set for clean (gain, bass, mid, treble) and the other for crunch and lead (gain, volume, bass, mid, treble) plus a tone shift switch to scoop mids. Also includes master volume, presence, and a deep switch for tight bass boost..