IA750-4 delivers an incredible four channels of 750 W each and is the perfect amplifier for the most demanding of large home theatre installations. Superior power for your home cinema or multi-room installation In a larger installation where pure power is required, the Monitor Audio IA750-4 is the ideal choice. A 2U full-width high-power amplifier, it features a full DSP matrix configuration and is simple to install and use. But power is its trump card: four channels of 750 W each deliver the most impressive home theatre sound imaginable. It’s capable of getting the very best out of any system and is the perfect partner for Monitor Audio’s THX Ultra certified Cinergy home theatre system. Note: Rack installation kit included. 18/03/24 - Download firmware V1.6.2 from this link. This has a number of bug fixes and feature improvements. For a full list of these and instructions on what to do, please download our guide from this link. Specifications Category Details Channels 4 Output Power @ 2 Ohms 4 x 750W SE Output Power @ 4 Ohms 4 x 750W SE, 2 x 1500W BTL Output Power @ 8 Ohms 2 x 400W SE, 2 x 1500W BTL Output Power @ 70V 2 x 1200W BTL Output Power @ 100V 2 x 1500W BTL Maximum Total Output Power (all channels driven) 3000 W Power Consumption 700 W Thermal Output 2400 BTU Polarity (Default) Non-inverting Dimensions 88 x 440 x 329 mm (36/16 x 175/16 x 1215/16”) Output Voltage 80 Vp / 160 Vpp (SE unloaded), 160 Vp / 320 Vpp (BTL unloaded) Signal to Noise Ratio >108 dB (A-weighted, 20 Hz – 20 kHz, 8 Ohm load) THD+N (typical)