Suitable for all SounDigital ampifiers which have remote connector on amplifier. Compatible amplifiers: Soundigital 1200.1 EVO 5 Soundigital 1600.1 EVO 5 Soundigital 2000.2 EVO 5 Soundigital 3000.1 EVO 5 Soundigital 5000.1 EVO 5 Soundigital 3000.1 EVO 4.0 Soundigital 5000.1 EVO 4.0 Soundigital 8000.1 EVO 4.0 Soundigital 12000.1 EVO 4.0 Soundigital 3000.1 EVOX Soundigital 5000.1 EVOX Soundigital 8000.1 EVOX Soundigital 12000.1 EVOX Soundigital 20000.1D EVOX Soundigital 35000.1D EVOX Soundigital 3300.1D-1 POWER Soundigital 5500.1D-1 POWER Soundigital 5500.1D-1 POWER Soundigital 20000.1D POWER.