End-of-chain output driver with up to 29dB of gain and 600-ohm drive capability.

2x2 preamp/buffer with internal voicing. Signal conditioning in micro format.

High-fidelity buffer and 16dB clean boost with three voicings. Expression pedal input for volume swells.

Transparent preamp/boost designed for audio purity. Maintains signal integrity through long cable runs.

Buffer, boost, and overdrive in one knob. Three zones from transparent to meaty breakup.

Dual buffer with clean output boost. Fixes signal loss from long cables and large pedalboards. Up to +12dB.

Multi-function utility pedal combining boost, EQ, and buffer. Versatile tone tool. Made in Denmark.

Boost or buffer for signal enhancement and impedance matching.

Studio-grade Butler Amplifier clean boost and buffer with up to 20dB of transparent gain.

Multi-function boost/buffer/preamp/volume pedal with four DIP-selectable frequency ranges and expression input.

Clean boost with built-in buffer. Transparent level increase plus signal conditioning for your chain.

JFET buffer and booster with S/D impedance modes, up to +15dB gain, and internal 18V voltage doubling.

Switchable Class-A JFET buffer/booster and DI with 30V tech, balanced output, and relay true bypass.

Intelligent fuzz loop with buffer and cable length emulator, solving the impedance sensitivity of vintage germanium fuzzes.

D57 Armor buffer with double buffer groups and boost for bypass protection.

Headroom preamp in compact format with Carl Martin's signature DC/DC converter technology.

Combined Buffer, Booster, and Equalizer in one pedal with MagTraB switching, handmade in Germany.

Switchable JFET buffer/booster with S/D impedance modes and True Bypass/True Sound selector.

Buffer and clean boost in one. Fixes signal loss from long cables while adding up to 20dB of transparent gain.

Discrete Class-A JFET buffer/booster and DI with 30V internal tech, 130dB dynamic range, balanced TRS output.

Extended version of the BBQ with additional controls and features for comprehensive signal conditioning.

Two-stage Class A JFET overdrive. Gain spans clean boost to fuzz-like distortion.

Foundation preamp/buffer establishing clean tone at the signal start.

Always-on buffer with two switchable volume channels. Clean boost or mute toggle in mini format.