Boost / Preamp

The Tone Hammer is the essential preamp/direct box for every bassist’s tool box. Based on the respected OBP-3 preamp, the Tone Hammer features fully sweepable midrange frequencies in addition to bass and treble controls. With the Tone Hammer’s pristine D.

The Natural Boost is a visually stunning, nature-themed clean boost pedal that enhances your sound while captivating your senses. With a Class A preamp circuit that uses a JFET and a BJT, it delivers pure, warm tones, preserving your guitar's natural soun

Get the sonic secret sauce of the Echoplex Preamp with the legendary boosting power of the MXR Micro Amp in a lightweight, space-saving mini housing.

Used, in excellent condition. Very few signs of use and functions perfectly. Includes original box.

Acid Guitar Electronics' boost pedal for the mentally unwell. 

Two knobs and a huge range of sounds - Boost, overdrive, and fuzz can all be found within. CRUSHINGLY loud and versatile - awesome for both bass and guitar. 

Used, in very good condition. Some light signs of regular use, pedal functions perfectly. Pedal only, no box. 

The Echoplex Preamp recreates the EP-3’s legendary preamp mojo, following the same signal path with FET circuitry and a Gain control for up to +11dB boost.



This pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Br

The Harmonic Booster is derived from the first few gain and filter stages of what would later become the core of the Darkglass overdrive technology. This clean preamp enhances attack and presence while sculpting the mids for a very percussive and aggressi

Inspired by its predecessor, the legendary DB 924, this discrete all-FET preamp delivers powerful broadband boost in a lightweight, space saving micro housing. Its musically sculpted two-band EQ enhances any bass you run through it, adding body and weight

Revered for its tight, fast response and wide tonal flexibility, the AG preamp takes the beloved AG sound and places it in a compact pedal/DI. The AG preamp features a 4-band EQ and foot switchable broadband “deep” and “bright “ controls for added depth a

JFET (jay-fet) is a boost pedal rooted in my love of the JFET transistor, long-loved in the world of audio for its similarities to vacuum tubes. As always for 29 Pedals it’s a ground-up design, from a blank sheet of paper, an effort to elevate the humble

MXR and Third Man Hardware have teamed up to create the perfect booster for gigging guitar players—this pedal combines two separate MXR Micro Amp circuits into a single box so that you can heat up two separate signal chains with just the right amount of c