Designed to be the perfect complement to our distortion circuits, the flexibility and portability of the Harmonic Booster is also the perfect one-stop solution for gigging musicians in search of a precise and harmonically rich clean preamplifier.

The Alpha·Omega Ultra is the most versatile bass preamplifier we’ve designed: With its two distinct distortion circuits (Alpha and Omega), extremely high dynamic range, six-band active graphic EQ, dedicated headphone output and balanced direct output with switchable digital impulse-response cabinet emulation make for an incredibly complete tool for the modern bass player.

Get the amazing profiling power of Kemper in a floorboard format.

The AB Box allows you to route your instrument’s signal to two separate output amp paths, with a Thru jack for use with a tuner or other device meant to receive a constant signal.

The ’75 Vintage Phase 45 is a faithful reissue of the original, featuring hand-matched FETs and a hand-wired circuit board.

The ’74 Vintage Phase 90 is a faithful reissue of the original, featuring hand-matched FETs and a hand-wired circuit board.

The Blue Box Octave Fuzz drops your guitar signal two octaves down and combines it with gnarly fuzz for huge subterranean tones.

The Bass Blow Torch Distortion goes from tube-like growl to high-gain distortion with an active 3-band EQ, a 3-position mid shift switch, and a Blend control to keep your low end intact.

The Classic 108 Fuzz features the guts of our BC-108-loaded Fuzz Face® Distortion with modern MXR upgrades and a Buffer switch so that it plays well with wahs.

The Carbon Copy Mini Analog Delay packs organic analog warmth, shimmery modulation, and ease of use into an MXR mini housing with a Bright switch for additional sonic versatility so that you can make the most out of your pedalboard real estate.

The Carbon Copy Analog Delay delivers rich, warm bucket-bridgade delay with up to 600ms of delay time and modulation.

The Distortion+ delivers everything from cool overdriven blues tones to huge ’80s hard rock distortion.