This is an essentially new Spector Haz Lab USA 9V Preamp recently pulled from a Spector bass that the previous owner installed it new. I will include the preamp and the wired Switchcraft jack. If you want the knobs I'd add them for an additional $25. So, to be clear, $325.00 USA addresses for pre and jack, $350.00 for pre, jack and knobs. I can include the EMG quick connect to solder cables it came with as well. I have pictures thatr I took before I removed it from witing direction if you need those as well. Quite easy actually. Paypal payment preferred.