Rocktron Velocity 100 LTD, 19" stereo power amp specially tuned for e-guitar, power: 2 x 55W @ 4 ohms, 40W @ 8 ohms, 2 x 28W @ 16 ohms, (measured at 1% THD), resonance and definition control for adjusting bass frequency and presence, input channel 1: 6.3mm mono, input channel 2: 6.3mm mono, output channel 1: 2 x 6.3mm mono, output channel 2: 2 x 6.3mm mono, 19" wide, 1 unit high, depth: 190mm