The PowerZone 504 is a 4 x 125 Watt power amplifier in a half width, 1U format. It drives both low impedance (4Ω to 16Ω) and constant voltage (70V/100V) loudspeaker loads. Each output channel can be independently configured to drive either Lo-Z or Hi-Z and automatic power sharing enables the total 500 Watts to be shared proportionately across each pair of output channels (so 4 x 125W/channel or 2 x 250W/channel.

With a small form factor of just 22 cm x 33 cm – it’s one of the most compact 4 channel amplifiers in its power class.

Key Features

• Configure any output in Low or High impedance – share total power as you need it
• DIP Switches allow you to configure on site – with GPIO connectors for external controllers
• Ultra-compact form factor means it can be installed in spaces where others cannot
• Class leading energy efficiency and long-term low cost of ownership
• Powered by Pascal UMAC™ Class-D technology

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• Total System Power: 500 W
• Output Power @ 4/8Ω: 4 x 125 W
• Output Power @ 70/100V: 4 x 125 W
• Powershare (up to) Across all channels: 2x250W
• Power Consumption: 150W
• Dimensions: 44.5x220x337mm (1.75 x 8.66 x 13.27 in)
• Weight: 2.4 kg (5.3 lbs)
• Output Circuitry: UMACTM Class D - full bandwidth PWM modulator with ultra-low distortion
• Output Voltage: 70 Vp / 140 Vpp (unloaded) / Bridged 140 Vp / 280 Vpp (unloaded)
• Signal To Noise-Ratio: > 100 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: 20 Hz - 20 kHz (+0/-0.25 dB (8 Ω load, 3 dB below rated power)
• Protection Circuits: Short circuit protection, DC protection, under voltage protection, temperature protection, overload protection
• Power Supply: URECTM universal mains switch mode power supply with Power Factor Correction (PFC) and integral standby converter
• Operating Voltage/Frequency: Universal Mains, 100-240V, 50-60Hz
• Standby Consumption: < 0.5 W (Energy Star & ErP 1275/2008/EC compliant)
• Accessories: 2x Rack ears (supplied with PowerZone 1004), 1x 1/2 rack plate extension, 2x 1/2 rack mounting, 2x Rear supports
• Power Ratings: 1% THD @ 120VAC and 230VAC