MXR Thump Mini M281 Bass Preamp keeley - Ships with a 9V

- Ships with a 9V battery and can use an optional 9VDC AC adapter like the EHX 9

Lastly the team at Keeley created a unique Slapback Mode for rockabilly sounds

a small footprint and all the controls at your finger-tips

creating a notch filter that gives you that Tower of Flower sound

All Stomp Under Foot pedals are made by hand

MXR Thump Mini M281 Bass Preamp keeley - Ships with a 9VMaker: MXR Model: Thump Condition: New Description: The MXR Thump Bass Preamp is a tone sweetening, signal boosting, and altogether groove enhancing machine. This pedal was conceived when the MXR design team and our in house bass players discovered that the Echoplex Preamps sonic secret sauce made for just as delectable a pairing with bass as it does with guitar. Using that circuitry as a foundation, the MXR team added a simple yet potent tone shaping