Evh 5150 III 100S EL34, Electric Guitar Amp Head, Power: 100 W, All-tube, with 8x JJ ECC83 preamp tubes, and 4x matched EL34 power tubes, 3 Channels (Clean, Crunch, Lead), Controls for Gain, Low, Mid, High, Volume, Channel select, Presence and Resonance on each channel, 2 Speaker outputs (4 ohm minimum), Incl. 4-way footswitch