Boffin FX Toggle Switch 20dB Boost Onboard Guitar Preamp (Flat Handle)

Add instant gain with onboard Flat Handle Toggle Switch Boost; no pedals needed!

Unleash up to 20dB boost using efficient MOSFET circuit; powered by 9V battery.

Adjust gain easily with onboard trimpot; dial in your perfect tone boost.

Simplify installation with included 9V clip & output jack harness; requires minimal soldering.

Maintain clean tone with true bypass when boost is disengaged; easy guitar upgrade.

We are proud to introduce a newly updated version of the Boffin FX Electric Guitar Onboard Toggle Switch Boost.

The Flat Handle Toggle Switch Boost provides gain at your fingertips. No need to switch on an effects pedal or turn on the dirty channel of an amplifier. It's all on the guitar.

The Flat Handle Toggle Switch Boost is powered by a MOSFET circuit to provide powerful gain up to 20 dB efficiently with a 9V battery.

Adjusting the Flat Handle Toggle Switch Boost gain is done by turning a trimpot located on the board. Turning the trimpot clockwise increases the amount of boost.

The updated version, released February 2025, features 9V battery clip and output jack wiring harnesses. Reducing the amount of soldering required during installation. The installation will required only 1 wire to be soldered.

Flat Handle Toogle Switch Boost is in bypass when the boost effect is not engaged.

Included with Boost:

4 wire harness with 1/4″ TRS (Stereo) Jack. Yellow wire is soldered to pickup switch output. 12 inches / 30 cm length.

2 wire 9V Battery Snap.

Specifications

MOSFET technology

+20 dB Gain

Battery not included.

Dimensions: 1.14 in x 1 in 29 x 27 mm, 20mm or just over 3/4". Fits small cavities.

Easy upgrade