JBL Control 2P Compact Powered Reference Monitor System - Complete Pair

Williams Sound MOD 232 Two Channel Infrared System Modulator w/ power supply

Sennheiser SI 1015 Infrared Modulator (Unit Only)

Sennheiser SI 1015 Infrared Modulator Unit Only – AS IS

SENNHEISER SI 20-R Two Channel IR Modulator Infrared Controller TESTED

Williams Sound MOD 232 R Infrared Modulator Two Channel Microprocessor

Sennheiser SZI 1015 Infrared IR Power Radiator - No Power Supply

Williams Sound MOD 232 Two Channel Infrared System Modulator w/ power supply