Check the listing for details. Carvin CG200 Optical Compressor Gate No Cables Read Description. Condition: Used. Listed at 129.99 USD. The Carvin CG200 Optical Compressor Gate is a professional-grade signal processor designed for audio professionals in the music industry. This digital compressor offers two channels of compression, making it ideal for processing stereo signals. With its rack-mountable form factor and 1U rack unit height, the Carvin CG200 is easy to install and operate in professional audio setups. Made in the United States, this high-quality compressor delivers reliable and effective sound control for a range of audio applications. Used shows normal signs of wear. Included is the device and instruction booklet. Does not come with any cables power or otherwise. Because of condition item is sold AS-IS I cannot guarantee functionality no returns or refunds all sales final.