Up for sale, a Keeley Compressor Plus in mint condition. Keeley compressors have long been lauded as some of the best boutique compressors in the world (and some of the most popular). The Keeley Compressor Plus, the latest in the Keeley lineage, delivers musical, dynamic compression with straight-forward controls that belie a vast array of tonalities. The introduction of the Release Switch enables easy toggling between humbucker or single coil tonal profiles, ensuring optimal attack and release setting, maintaining humbucker punch and single coil immediacy. Additionally, the Blend control maintains playing dynamics, keeping things natural-sounding and maintaining proper phasing of a guitar signal.