Hartke LX8500, Bass Amp Head, 12AX7 Class A tube preamp, Power: 800W @ 4 ohms, Jack active/passive input, Controls: Drive, Compressor, Gain, Bass, Shape, Frequency, Treble, Master, Mute switch, British switch (+ 6 dB), AUX input, Headphone output, XLR DI output with ground lift, Tuner output, FX loop, 2 x Footswitch connection (TRS) for drive, effects loop, brite and frequency parameters, Speaker connections: Speaker Twist and jack, Dimensions (W x D x H): 355 x 270 x 73 mm, Weight: 3.9 kg