Single channel bass amp head. Class D power amp with valve preamp, variable input sensitivity for active or passive basses, balanced DI out, FX loop. Controls: Master, Treble, Middle, Bass, Gain. Output Power: 500 Watts. Valves: Preamp: 2 x Ecc83/12ax7. Speaker output options: 1 x 8 cabinet (impedance switched to 8 ohm), 1 x 4 cabinet (impedance switched to 4 ohm), 2 x 8 cabinets (impedance switched to 4 ohm). Dimensions: 19 x 30,3 x 15,3 cm. Weight: 4,75 kg. Colour: White