Primacoustic Hanging Surface Mount Impaler 100790273 The KSP20 is compatible with

The KSP20 is compatible with any electronic keyboard with 1/4" sustain jack

Wideband operation (470–865 MHz or 865–960 MHz)

Mackie ProFX12v3 install rack mount kit for profx12v3 12-channel effects mixer with USB

Transformer: JT-MB-DPC

(6) anchor screws

Primacoustic Hanging Surface Mount Impaler 100790273 The KSP20 is compatible withPrimacoustic Hanging Surface Mount Impaler Primacoustic surface mount impalers are designed to hang Broadway acoustic panels directly onto the wall surface like a picture. The simple installation process makes them quick & easy to use and particularly effective if you plan to relocate your panels in the future. Shipped 24 to a box, each Surface Impaler is equipped with four triangular shaped darts that protrude from a galvanized steel plate.