I'm selling an Aguilar OBP-3 on board preamp in like new condition. I bought it brand new, installed it into a Stingray with Nordstrand MM4.2 pickup and pulled it out after a couple of hours. It just wasn't the sound I was looking for. So my loss is your gain. It's currently wired as follows: 25k push/pull volume pot (I used the push/pull for series/parallel on the Nordy MM) Separate bass and treble Mid push/pull pot for frequency selection I will include a battery clip and standard stereo output jack, currently not soldered For the above, as is, I will sell for $115 shipped to the CONUS ONLY. No international shipping. I also have a stacked bass/treble pot if the separate pots are not your thing. I can also remove the 25k push/pull and replace with a standard 25k pot. I can also incorporate a 250k or 500k blend pot. Any rewiring will be a little extra. So PM me and we can work out the details. Not interested in any trades at this time.