Professional 500-watt bass head with refined preamp circuitry,a newly developed Class D power amp, and innovative Cab Resonance calibration for the ideal bass sound.

The Katana-500 Bass Head raises professional bass amplification to the next level with advanced BOSS technology.

Refined preamp circuity and the newly developed 500-watt Class D power amp support your touch and technique with deeply expressive tones. And with the innovative Cab Resonance feature, you can quickly calibrate the amplifiers output voice to achieve the ideal response with any speaker cabinet. You also get a wide range of premium tools to shape your personal sound, plus expansive connectivity for every playing situation.

Compact 500-watt bass amplifier head with professional tone tools for serious players

Next-level performance with a newly developed Class D power amp and innovative Cab Resonance calibration

Enhance the core bass sound for different styles with two Amp Feel settings

Wide-ranging four-band EQ, including low-mid and high-mid controls with three adjustable frequency settings

Compressor and drive controls, each with three selectable types

Shape switch with mid-scoop, bright, and wide-range options

Bottom knob to tighten the sound and eliminate sub-bass rumble

Hi Cut button with three selectable frequencies

Blend knob to mix in the dry bass sound

Pad switch to optimise the input for high-output active pickups

Onboard memory for saving and recalling a custom setup with a touch

Two high-current speaker outputs with robust locking connectors

XLR line output and headphones/recording jack

Edit tones and access over 60 effects with BOSS Tone Studio for Windows/macOS

USB connector for communicating with BOSS Tone Studio and audio recording/playback with music production software

Download and share Livesets at BOSS Tone Exchange