The Primacoustic IsoPlane Multi-Purpose Foam Isolation Kit are a set of 4 pads that accommodate a pair of monitor speakers, turntables, CD decks or any other pair of devices that require isolation from vibrations, acoustic energy, etc. Each piece measures 12.8 x 4 x 1.5" and are placed under the device that you want to acoustically isolate or provide vibration protection for.
