The MXR Thump Bass Preamp is a powerful and versatile pedal that enhances your bass tone, boosts your signal, and adds a touch of sonic magic to your playing. Inspired by the iconic Echoplex Preamp, the MXR design team discovered that its signature sound was a perfect match for bass, leading to the creation of this groove-enhancing machine.

At its core, the Echoplex Preamp circuit conditions your bass signal with a meticulously balanced EQ profile. Building on this foundation, the Thump Bass Preamp offers a straightforward yet potent tone-shaping interface. The Treble and Bass knobs allow you to cut or boost frequencies at 4 kHz and 40 Hz, respectively, enabling you to fine-tune your high and low-end tones to perfection. The Mid knob, combined with the Frequency knob, lets you cut or boost the midrange frequencies from 250 Hz to 1 kHz. This selection of frequencies provides you with the utmost flexibility to sculpt your bass sound without any hassle.

Whether you need to punch up a solo, boost your signal in a live mix, add edge to a passive bass, or refine your bass tone in the studio, the Thump Bass Preamp delivers unparalleled versatility in a compact MXR mini housing. This pedal is the perfect companion for bass players seeking to elevate their sound and add a touch of vintage warmth and character to their playing.

Crafted with top-grade components and housed in a rugged enclosure, the MXR Thump Bass Preamp is designed to withstand the rigors of the road and deliver consistent performance night after night. The pedal's intuitive controls make it easy to dial in the desired tone for any musical situation, from stage performances to studio recordings.

Power options for the Thump Bass Preamp include a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included). This ensures you have a reliable power source, allowing you to focus on your playing without any interruptions.

In summary, the MXR Thump Bass Preamp is a tone-sweetening, signal-boosting, and groove-enhancing pedal that combines the legendary Echoplex Preamp circuit with a versatile three-band EQ and midrange frequency adjustment. Whether you're performing live or recording in the studio, this pedal will become an essential tool in sculpting your perfect bass tone and taking your playing to new heights. Experience the magic of the Thump Bass Preamp and unlock a world of sonic possibilities for your bass guitar.