This is an onboard preamp for electric bass inspired by the Fender Precision Special from 1981. 

It's a 2 band boost/cut preamp based on transistor rather than the classic OPAMP.

The bands frequencies are:

• +/- 13 db @60 Hz per le basse
• +/- 16 dB @3.5 KHz per le alte

The limited dimensions of 27.5mm x 25mm allow the wiring of this preamp virtually in any kind of bass.

The preamp will be provided with 2 separate pots (one for each band) whose measures are M8, 10mm threaded part and center click; these dimension grant the possibility of mounting everything both on a pickguard/plate or directly onto the wood of the bass. 

22 awg silicone wire.

current draw: 0.44mA

Every product is tested before shipping and i will ensure a clear and complete comunication!