This is a Darkglass bass compressor that prioritizes the original sound. It has a blend function, so it also supports parallel compression. I'm selling it because I bought a compressor that's about four times more expensive, but I think this is a very high-quality compressor for its price range. Velcro attached. There are some minor scratches, but it's generally in good condition. [From Soundhouse] The Super Symmetry is a high-resolution compressor with the transparency and precision demanded of modern compressors. It has a natural and versatile sound that is not overly hi-fi, retaining the warmth of old-school compression within a modern tone. It also features an LED meter to visually confirm the compression. Specs ■ Bass effector ■ Compressor ■ Controls: Blend, Input, Compression, Output, Attack, Release ■ 9VDC center negative ■ Size: 120mm x 94mm x 30mm