The Gallien-Krueger Fusion 500S is a premium hybrid bass amplifier head, designed for discerning bassists who demand the warmth of tube-driven preamps with the precision and power of solid-state technology. Compact yet mighty, the Fusion 500S features a three-tube preamp stage that delivers rich harmonic complexity and vintage-inspired warmth, paired with a robust solid-state power section that ensures clarity and punch in any live or studio setting.

Key Features:

• Three-Tube Preamp: The Fusion 500S incorporates three 12AX7 tubes, offering dynamic, responsive tones that range from subtle warmth to full-bodied growl.
• 500 Watts of Power: With 500 watts at 4 ohms, it provides plenty of headroom and authoritative low-end for medium to large venues.
• Intuitive Controls: The front panel includes a 4-band active EQ, contour and presence controls, and a gain/master volume setup, giving players versatile tone-shaping capabilities.
• Built for Durability: Housed in a rugged, lightweight aluminum chassis, this amp head is designed to withstand the rigors of touring.
• Direct Output: Includes a balanced DI output with pre/post EQ switch, making it a great choice for recording or live performances.
• Flexible Connectivity: Features a variety of outputs, including speakON and 1/4″ speaker connections, plus an effects loop for integrating pedals or external processors.

Whether you’re crafting smooth jazz grooves, slapping through funk lines, or delivering heavy rock riffs, the Gallien-Krueger Fusion 500S combines modern versatility with timeless tonal character. This amplifier head is a stellar choice for bassists seeking premium sound and reliability in a portable package.

• be Preamp with (3) 12ax7s
• Four band active EQ
• Foot Switchable Tube Overdrive with Tone Control (Footswitch Included)
• Illuminated Knobs with Push Activation
• “Bump”, “Contour”, and “Presence” Push Button Voicing Filters
• Balanced XLR Output with Pre and Post EQ
• Unbalanced ¼” Send and Return
• Aux Input and Headphones Output
• Twist Lock Speaker Outputs
• 2, 2.7, 4 and 8ohm Load Capacity
• 11.5” Width x 11” Depth x 2 3/8” Height for All Models