Joyo Mjolnir, All Tube Amp Head for Electric Guitar, Power: 15 W, 2 Channels: clean and distortion, 3 ECC83 preamp tubes, 2 EL84 power tubes, Controls (per channel): Gain, Bass, Middle, Treble, Presence and Master, Mini switch for Boost / Normal, Mini switch for Push / Normal, Mini switch for Mid Cut / Normal, Standby switch, On / Off switch, FX Loop with Send Level control, Foot switch connector, Speaker connections: 4/8/16 Ohm, Dimensions (W x H x D): 334 x 160 x 160 mm, Weight: 8.9 kg, Incl. foot switch