Ampeg Opto Comp Analog Optical Compressor pedal utilizes an optical circuit to deliver smooth, vintage style compression to add headroom and sustain to your guitar or bass. Dial in a fast, subtle style to control peaks or crank up the compression to add a unique character. Bring your tone to new heights with the Opto Comp Analog Optical Compressor.

• 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)