vintage style compression

Buy at www.musicianscart.com Ampeg Opto Comp Optical Compressor Pedal 990404011 Delivers smooth, vintage style compression,Dial in the perfect sound with Compression and Release controls,Output control allows you to maximize sustain and make up for heavy compression, True bypass, analog design with incredible signal-to-noise ratio,Roadworthy all-metal chassis construction,Powered by a 9V battery or 9V DC supply (not included).