- 75W, 2-5 in. speakers, bass combo, solid-state chassis, two channels, top black control panel, two inputs (high, low), ten black knobs (input 1 level, input 2 level, Instrument: b, m, t, v, Audio: b, m, t, v ), AppTek jack, line in jack, line out jack, headphone jack, USB connection, Bluetooth wireless, power switch, AppTek cable and socket included, top handles, available in black, natural wood, or white covering, 16.7 lbs., mfg. 2015-present.

- 100W, bass head-unit, all-tube chassis, Preamp: 2 X 12AX7, 2 X 12AU7, Power: 2 X KT88, single channel, front black control panel, two inputs (high, low), five cream knobs (g, b, m, t, MV), 3-band EQ, mellow switch, deep switch, shift switch, bright switch, mute switch, audio/bias switch, tube selector switch, XLR direct line out with pre/post EQ switch, VU meter, effects loop, rear panel: preheat switch, power switch, three external speaker jacks, black covering, top handles, 42 lbs., mfg. 2012-present.

- 300W, bass head-unit, all-tube chassis, Preamp: 2 X ECC832, 2 X ECC82, 1 X ECC99, Power: 6 X KT88, single channel, front black control panel, two inputs (high, low), five cream knobs (g, b, m, t, MV), 3-band EQ, mellow switch, deep switch, shift switch, bright switch, mute switch, audio/bias switch, tube selector switch, XLR direct line out with pre/post EQ switch, VU meter, effects loop, rear panel: preheat switch, power switch, three external speaker jacks, black covering, top handles, 72.75 lbs., mfg. 2012-present.

- 15W, vintage style bass combo, all-tube chassis head, boutique style 1-10 in. cabinet, Preamp: 2 X 12AX7, Power: 2 X EL84, single channel, front black control panel, one input, five white knobs (g, b, m, t, MV), 3-band EQ, VU meter, black grille, black covering, mfg. 2014-present.

- 30W, vintage style bass combo, all-tube chassis head, boutique style 1-15 in. cabinet with tweeter, Preamp: 1 X ECC83, 1 X ECC82, Power: 4 X EL84, single channel, front silver control panel, two inputs (high, low), four black knobs (b, m, t, MV), 3-band EQ, mid-shift switch, bass-shift switch, bright switch, mute switch, VU meter, effects loop, black covering, mfg. 2011-present.

- 350W, bass compact head-unit, solid-state chassis, single channel, front green control panel, single input, five knobs (input v, three freq. knobs, output v), four-band graphic EQ (b, l/m, h/m, t), active/passive input switch, deep switch, shape switch, EQ in/out switch, power switch, rear panel: XLR balanced line out with pre/post EQ switch, effects loop, line input and output, two combination Speakon/standard speaker jacks, dark gray casing, 8.25 in. wide, 2.625 in. tall, 12.25 in. deep, 6.6 lbs., mfg. 2009-disc.

- 1000W, bass compact head-unit, solid-state chassis, single channel, front orange control panel, single input, five knobs (input v, three freq. knobs, output v), four-band graphic EQ (b, l/m, h/m, t), active/passive input switch, deep switch, shape switch, EQ in/out switch, power switch, rear panel: XLR balanced line out with pre/post EQ switch, effects loop, line input and output, two combination Speakon/standard speaker jacks, dark gray casing, 8.25 in. wide, 2.625 in. tall, 12.25 in. deep, 7.7 lbs., mfg. 2009-disc.

- 575W, rack-mount bass head unit, solid-state chassis, single channel, front red control panel, two inputs (one 1/4 in. one XLR), three black knobs (input level, harmonic emphasis, output level), 12-band graphic EQ, XLR line out, red casing/covering, 30.9 lbs., mfg. 2004-disc.

- similar to the Mark King Signature Head, except in combo configuration with 2-10 in. speakers with a horn, recessed side handles, black covering, black grille, disc.

- 800W, head-unit only, solid-state chassis, one channel, front silver control panel, two inputs (passive, active), two black knobs (input, output), 12-band equalizer, mute switch, EQ switch, rear panel: DI XLR out jack, one speaker out jack, power switch, line in jack, effects loop, cooling fan, black covering, 2.56 in. tall, 10.63 in. wide, 8.46 in. deep, 6.61 lbs., mfg. 2015-present.