For bass, there are two circuits, the BEQ-2 two-band and the BEQ-3 three-band.

In addition, there are numerous offerings for bass in standard Jazz Bass®, P-Bass®, soapbar and Music Man® formats.

Jazz Bass and P-Bass are registered trademarks of FMIC. Patrick Eggle is a trademark of Patrick Eggle Guitars, UK. Music Man is a registered trademark of Ernie Ball. Seymour Duncan is not affiliated with these companies.