Specifications60 watts.24 amp channel models. - Three-band EQ, master volume and pre- and post-gain controls.6L6 tube power amp.12 (305mm) custom-voiced modeling speaker.11 editable rack effects.11 editable stomp-box effects. - Up to 5 effects SIMULTANEOUSLY.On-board looper (Sanpera pedal required). On-board chromatic tuner.12 amplifier presets with up to 400 presets with optional Sanpera II footswitch. - Studio-quality USB computer interface. - MIDI In/Out. - Tap tempo button. - Studio-quality headphone output. - MP3/CD/Aux input. - Patented Trans - Tube technology in the preamp. - Includes evaluation version of REAPER and demo of Revalver HP.Dimensions (HxWxD): 19.9 (505 mm) x 23.2 (590 mm) x 11.2 (285 mm)Weight: 48.06 lb(21.8 kg)