The Marshall VBA400 is a 400-watt all-valve bass amplifier head built for players who want thick, classic valve tone at serious stage volume. Eight 6550 power valves and a valve preamp deliver the warm compression and rich harmonics that solid-state amps struggle to imitate, making the VBA400 a favourite among rock, funk, and soul bassists. Tone control is comprehensive. A 3-band rotary EQ works alongside deep and bright switches for resonant lows or added top-end crispness, while a three-position mid contour shifts the character between vintage warmth and aggressive, cutting attack. Active and passive bass inputs handle any instrument, and a tuner output with tuner mute allows silent tuning mid-show. For recording and live reinforcement, the DI output with a pre/post selector sends either pure bass tone or fully processed signal to the mixing desk. An effects loop with send/return accommodates your pedals. Note that the VBA400 is an amplifier head and requires a compatible 2 or 4 ohm speaker cabinet, available separately. A formidable choice for professional bassists in Nairobi and across Kenya. Key Features: - 400W all-valve bass amplifier head - Valve preamp (3 x ECC83, 1 x ECC82) and 8 x 6550 power valves - 3-band EQ with deep and bright switches - Three-position mid contour for vintage or aggressive tones - Active and passive instrument inputs - DI output with pre/post selector and tuner out with mute - Serial effects loop with send/return - Speaker output for 2 or 4 ohm loads