ESX QM500.4 - 4-channel digital amplifier

QM500.4

Digital amplifier power has never been more compact and affordable: measuring just 190 x 35 x 112 mm, the three new ESX QUANTUM QM miniature powerhouses are impressive in every respect. The QM amps offer state-of-the-art technology in a minimal space and are solidly constructed throughout. All three amps are based on their slightly larger siblings in the ESX QL series, but are a little more compact and much easier to install. Thanks to their high-level inputs with EPS and automatic switch-on function, they are also perfect for integration into factory systems. Each model is also equipped with a compact bass level remote control.

  Features

• Advanced Class D technology with very high efficiency
• Selected and audiophile-tuned components
• Compact aluminum heat sink and cast aluminum side panels
• High-level inputs with error protection system
• Auto turn-on, start/stop ready
• MOSFET PWM power supply, triple protection circuit
• Compact bass cable remote control

Technical specifications

• 4-channel Class D mini digital amplifier
• 4 x 80/125 watts RMS @ 4/2 Ω
• 2 x 250 watts RMS @ 4 Ω bridged
• HPF 50-5000 Hz (CH1/2)
• HPF 10-500 Hz (CH3/4)
• LPF 50-5000 Hz (CH3/4)
• Copy mode CH3/4 > CH1/2
• Bandpass function
• Dimensions 190 x 35 x 102 mm
• Efficiency up to 83%