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Inter-M R-500PLUS Power Amplifier 500W 4 Ohms 8 Ohms

Model: R-500PLUS

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About: Inter-M R-500PLUS Power Amplifier 500W 4 Ohms 8 Ohms


The R-150/300/500 PLUS are dual-channel high-performance amplifiers. Their clear, open sound and quiet operation make them ideal for reference systems and church sound applications. Inputs are via balanced XLR or 1/4” connectors, outputs are via rugged five-way binding post connectors. All units have soft-start protection circuitry and feature signal, protection and clip indicators on the front panel. For added versatility, they may be operated in stereo, dual mono or bridged mono mode. They have front-panel mounted mains switch, level controls and indicators for power, protection, clip and signal present. Convection-cooling provides noise-free ventilation for critical applications. Mains inlet is via an IEC connector.The R-PLUS series amplifiers are powered by 100-120VAC or 220-240VAC 50/60Hz (depending on country requirements) and are packaged in a 3.5" (2RU) rack mount enclosures.


  • R-500PLUS: 500W@8 Ω Bridged Mono 250W@4 Ω Stereo
  • Frequency Response 20Hz- 20kHz, ±0.5dB
  • Convection Cooled
  • SoftStart Protection System
  • Balanced 10k Ω @0.775V Inputs
  • Inputs (XLR~¼” jack)
  • Stereo operation (4/ Ω )
  • Bridged mono operation (8 Ω)
  • <0.05% Total Harmonic Distortion
  • Extensive Protection Circuitry
  • Signal, Protection, Clip Indicators
  • Outputs (speakon~binding posts)

Application The units are ideal for ‘silent’ systems in church, audio visual and recording studios, etc. is a Canadian authorized Inter-M retailer.

Reviews: Inter-M R-500PLUS Power Amplifier 500W 4 Ohms 8 Ohms

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Warranty: Inter-M R-500PLUS Power Amplifier 500W 4 Ohms 8 Ohms Warranty:

30 Days

Manufacturer's Warranty:

All Inter-M Electronic Products are covered by a 3-year Limited Warranty.

All Inter-M Speakers are covered by a 5-year Limited Warranty.