McGrey PA-4502 Power Amplifier 1U 2 x 450 Watt

Powerful 2-Channel Power Amplifier!
  • 2 x 450 watts output power (RMS)
  • Class-D technology
  • Suitable for 19" rack mounting
  • XLR inputs and outputs
  • Speakon-compatible speaker outputs
  • Short-circuit and overheating protection
Variants (1)
McGrey PA-4504 Power Amplifier 1U 4x 450 Watt
McGrey PA-4504 Power Amplifier 1U 4x 450 Watt McGrey PA-4504 Power Amplifier 1U 4x 450 Watt
McGrey PA-4504 Power Amplifier 1U 4x 450 Watt
  • 4x 450 Watt output power (RMS)
  • Class-D technology
  • Suitable for 19" rack mounting
  • XLR inputs and outputs
  • Speakon-compatible speaker connectors
  • Protection against short circuit & overheating
169
139
All prices include VAT
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0% financing for 11,58 € per month
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Full Power for Your Sound System!

The McGrey PA-4502 delivers 2 x 450 watts RMS for powerful, low-distortion amplification for any professional or semi-professional sound system. Thanks to robust Class-D technology, it impresses with high efficiency, low weight and a clear, dynamic sound - ideal for bands, DJs, or permanent installations.

Reliable Performance - Everywhere

Whether in a club, rehearsal room or on stage - the PA-4502 provides precise reproduction across the entire spectrum with a frequency response of 20 Hz to 20 kHz. The built-in fan guarantees reliable cooling even under heavy continuous load.

Professional Connections and Full Control

With balanced XLR inputs and outputs, Speakon-compatible speaker connectors and selectable input sensitivity (0.775 V or 1.0 V), the amplifier integrates flexibly into any setup. LED indicators for signal, limit and power provide a clear overview during live operation.

Robust, Compact and Rackmount

The sturdy metal housing in 19" format is ideal for rack installation and, at only 2.8 kg, offers maximum mobility. That makes the PA-4502 perfect for mobile DJs, bands or permanent installations.

Experience Reliable Power for Your Sound!

Features

  • 2-channel power amplifier
  • RMS Power: 2 x 450 Watt (@ 8 ohm / 4 ohm / 2 ohm — full power is already available at 8 ohm)
  • Frequency Response: 20 Hz - 20 kHz
  • THD+N: <0.03% at 8 ohm, 1 kHz
  • Signal-to-Noise Ratio: >95 dB
  • Damping Factor: >500
  • Input Sensitivity: selectable 0.775 V or 1.0 V
  • Input Impedance: 20 kΩ
  • Inputs: XLR female, 3-pin
  • Outputs: XLR male, 3-pin
  • Speaker Connections: Speakon-compatible (2-pin)
  • LED Indicators: Ready, -32 dB, 0 dB per channel
  • Operating Modes: Stereo / Mono
  • Output Stage: Class D
  • Protection Circuits: short-circuit, thermal, soft-start, DC, overcurrent limiting, clipping compression
  • Cooling: temperature-controlled fan (airflow from front to back)
  • Power Supply: 240 V AC / 50–60 Hz
  • Dimensions (W x D x H): 482 (19") x 185 x 48 (1U) mm
  • Weight: 2.8 kg

Scope of delivery

  • 1 x McGrey PA-4502 Power Amplifier
  • 1 x Power Cable

Specification

  • Product number 00112720
  • Number of channels 2
  • Colour Black
  • Height in U 1 U
  • Power (Watts) 900

Reviews

5.0/5.0
Based On 2 ratings
5 Stars
2
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3 Stars
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1 Star
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Very satisfied!
Review from Johannes on 20.01.2026
This rating has been translated automatically. Original language flag from
 verified purchase
First of all, I have to say that I was simply looking for an extremely affordable power amplifier. What I like is the weight and size, which means that the controls are also small, but that doesn't bother me because I don't fiddle with them anyway :) When switching it on and off, you can hardly hear anything—no banging or other noises, which is very pleasant. The fan is very quiet!
The sound is clean and good. The bass range is great. Of course, I haven't tested the little power amplifier over an entire evening yet, but so far I'm very satisfied.
So far, it has powered my speakers and bass well, so I would say it's not a rip-off. It's not like it only delivers 2x 150 watts, which you would think at that price. It delivers! I'll continue to test it, but for now I'm very satisfied. So don't be put off :)!
Everything's fine.
Review from Joachim on 25.01.2026
Variant McGrey PA-4504 Power Amplifier 1U 4x 450 Watt
This rating has been translated automatically. Original language flag from
 verified purchase
Everything's fine.

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