Description from Amazon USA : - Power: 40W (tube) Tubes: three 12AX7 (preamp); four EL84 (power amp) Power attenuation: 40W, 18W, 5W, 1W, 0W Single input Three channels Impedance: 8, 16 ohms Controls: three-band EQ, volume, gain Serial FX loop Red Box AE DI XLR output Tube Safety Control Integrated MIDI interface with phantom power Optional footswitch sold separately Carry bag included Dimensions: 17.56 in. x 6.73 in. x 5.98 in. Weight: 16.98 lb. Designed in Germany<br /> - TubeMeister Deluxe 40 takes the bestselling Meister lunchbox amp format to a whole new level, with boutique tube tones inspired by the most-loved channels of Hughes & Kettner s award-winning TriAmp Mark 3 flagship and a bunch of killer new features to make your job as a guitar player better sounding, easier and a whole load more fun<br /> - Whether you rock on stage, play at home or record at night, TubeMeister Deluxe 40 is the ideal amp<br /> - The real power soak lets you switch between the full 40 watts of power, 18 watts, 5 watts, 1 watt, or even 0 watts, for truly silent recording at any time of day or night<br /> - TubeMeister Deluxe 40 is the first tube amp ever to offer you a genuine FRFR (full range flat response) amp sound experience<br />