So I've read a couple of stories in relation to hiss and Audere and now I have my own to add. I had a Classic 4 band pre installed into an MTD Kingston Heir 5 with Bartolini CB pickups. The sound is amazing, but the hiss is not so much. I; like the others, checked and double checked the wiring and could not find anything awry. I even made measurements with a digital multimeter. At the moment, I have e-mailed Audere for some perspective on some very specific questions and I hope I don't get pointed back to the instructions. I hope I get this all worked out because I love having 4-band EQ and the sound is great. Wish me luck!