The Gallien-Krueger 400RB-III is a classic choice for bassists seeking power and precision in their amplification. Known for its robust build and reliable performance, this bass amplifier head is designed to give you clear, punchy sound on stage or in the studio. With a reputation built over decades, the 400RB-III continues to be a favorite among musicians who demand consistent and rich tones. It features a bi-amp capability, allowing you to drive different frequency outputs to separate speaker cabinets, which is ideal for achieving a more nuanced sound.

This amplifier head provides a range of controls for shaping your sound, including a 4-band active EQ and a contour switch for instant tonal enhancement. The presence of a boost control allows for a more aggressive growl, particularly useful for rock and metal bassists. Additionally, the 400RB-III’s cooling system ensures that it maintains optimal performance during long gigs or rehearsals. Whether you’re a touring musician or a hobbyist, this amplifier head delivers the versatility and reliability you need to sound your best.

Key Features:

• 4-band active EQ for precise tonal control
• Contour switch for quick tonal enhancement
• Bi-amp capability for flexible speaker configurations
• Boost control for added growl
• Cooling system to maintain performance during extended use
• Effects loop for integrating pedals and external processors
• Balanced direct output for easy recording or PA system connection