IA750-4 -4-Channel Power Amplifier

The IA750-4 delivers outstanding performance with four channels of 750 W each, making it the ideal amplifier for the most demanding large-scale home theatre installations.

Superior power for your home cinema or multi-room installation

For larger systems where uncompromising power is essential, the Monitor Audio IA750-4 is the perfect choice. This 2U full-width high-power amplifier features a full DSP matrix configuration and is simple to install and operate. Power is its defining strength: four 750 W channels provide an exceptionally dynamic and immersive home theatre experience. Capable of extracting the very best from any system, it is the ideal partner for Monitor Audio’s THX Ultra-certified Cinergy home theatre system.

Note: Rack installation kit included.

Channels

• 4

Output Power @ 2 Ω

• 4 × 750 W (SE)

Output Power @ 4 Ω

• 4 × 750 W (SE)
• 2 × 1,500 W (BTL)

Output Power @ 8 Ω

• 2 × 400 W (SE)
• 2 × 1,500 W (BTL)

Output Power @ 70 V

• 2 × 1,200 W (BTL)

Output Power @ 100 V

• 2 × 1,500 W (BTL)

Maximum Total Output Power (all channels driven)

• 3,000 W

Power Consumption

• 700 W

Thermal Output

• 2,400 BTU

Polarity (default)

• Non-inverting

Overall Dimensions (H × W × D)

• 88 × 440 × 329 mm

(3 6/16 × 17 5/16 × 12 15/16 in)

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 Ω load)

THD + N (typical)

• <0.05% (20 Hz – 20 kHz, 8 Ω load, 3 dB below rated power)

Frequency Response

• +0 / –0.25 dB, 20 Hz – 20 kHz

(8 Ω load, 3 dB below rated power)

Protection Circuits

• Short circuit
• DC
• Undervoltage
• Temperature
• Overload protection

Power Supply

• Switch-mode power supply with Power Factor Correction (PFC) and standby converter

Operating Voltage / Frequency

• Universal mains: 100 V – 240 V, 50–60 Hz

Standby Consumption

• <0.5 W

Accessories

• Rack mount kit (pre-installed)

Power Ratings

• 1% THD @ 120 Vac and 230 Vac

Cabinet Finish

• Black anodised

Warranty

• 5 years

• Four-channel high-power amplifier delivering 750 W per channel
• Designed for large-scale and demanding home theatre installations
• Advanced DSP with full matrix configuration
• Web-based configurator for easy setup and control
• Ideal for home cinema, multi-room, and professional installations
• Optimised for use with Monitor Audio Cinergy and THX Ultra–certified systems
• 2U full-width rack-mount chassis
• Robust, reliable design for continuous high-power operation
• Rack installation kit included