Ir is wired for 9 volts; it was removed from a USA made Elrick bass These are great professional sounding preamps . Very low noise!
Volume, Blend, Bass, Mids and Treble plus two switches that cut the mids ala MTD and an active/Passive switch. There’s Also an extra black box; this second little box is a buffer that makes the sound more polished (similar to the old Pre- Gibson Tobias basses ).
These preamps go new for $160 each plus shipping from Bestbassgear.com I’m letting it go for much less (half the price !). You can’t go wrong with this preamp! They sound really good!
Insured Shipping Is included within the continental USA. PayPal ok.
Questions?
Thanks
Lalo Garcia