Peavey BAC-2 Biamp Bass Chorus pedal. It uses an AC adapter or sucks batteries, but sounds so darn good. Unfortunately, my chorus needs are changing so this one's on the block. I bought it NOS a year or two ago and it works and sounds great. Few paint chips here and there and a notch on the botton for a battery clip (to use a DC adapter, which I've since lost) and the battery clip is a bit wierd. Looking for $45 shipped OBO.