This EQ Mounting Faceplate is made specifically for the Wetsounds 420 EQ & Malibu Boats. This faceplate also features a round hole is 3 1/4" in diameter, and it has a 3/8" relief cut about 1/8" deep all the way around it, designed for the Sony XM55 remote. Available with or without additional accessory switch. Available in brushed finish or polished finish.