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(2 customer reviews)
In stock
  • Full Range Amp
  • Class AB – 2 Ohms
  • 4x 150 Watts RMS


In stock


SKU: A4MH PRO Category:


Prepare Yourself for Unique Performance!

PRV Audio is constantly finding ways to make amplifier technology better. The A4MH PRO proves how you can add cutting edge technology and more power to your system at a compact design that saves you a ton of space in your car or bike.

PRV A4MH PRO is the perfect amp for powering your entire system with true 650 Watts RMS. The bridgeable design also allows this amplifier to be configured as a two or three channel amplifier without a reduction in total amplifier output power. Built-in electronic crossovers can be set to high pass or low pass, for each set of stereo channels. For extra flexibility, variable low pass and high pass filters are adjustable from 50 to 250 Hz to dial in your speakers according to your system requirements. Each filter features a -12 dB/octave slope.

– Amp Dyno Certified at 14.68 Volts at 2 Ohms: 4 x 157 Watts*


  • Full Range Class A/B
  • Compact Design
  • Thermal protection
  • Cast aluminum Brushed heatsink design
  • LED power and protection indicators
  • 2 Ohms stable
  • 12 dB/octave crossover
  • 4 Gauge power/ground connectors
  • 12 Gauge speaker terminals

WARNING: Cancer and Reproductive Harm –

Technical Details


Impedance 2 Ohms
Channels 4 Channels
Max Output Power 650 Watts
Rated RMS Power at 14.4 V at 2 Ohms 4 x 150 Watts
Rated RMS Power at 14.4 V at 4 Ohms 4 x 85 Watts Bridged 2 x 310 Watts
Average Efficiency 78%
Rated RMS Power at 12.6 V at 2 Ohms 4 x 110 Watts
Rated RMS Power at 12.6 V at 4 Ohms 4 x 80 Watts Bridged 2 x 220 Watts
Operating Voltage 10 to 16 Volts
Minimum Capacity of Battery 23 Ah
Recommended Capacity of Battery 45 Ah
Recommended Fuse Built-in 2 x 40A
Minimum Power Wire 4 Gauge
Minimum Speaker Wire 14 Gauge
Frequency Response(+/-3dB) 20 Hz to 25 kHz
Filter Controls Yes
Low Pass Filter 50 Hz to 250 Hz
High Pass Filter / Subsonic 50 Hz to 250 Hz
Built-In EQ Controls Bass EQ
Bass Boost Level 6 dB or 12 dB
Bass Boost Frequency 40 Hz
Signal Input 2 Pair RCA
Protection System On Circuit Board / Fused
Fan System N/A
Heat Sink Type Cast Aluminum
Dimensions ( H x W x L ) 2.15″ x 11.75″ x 7.15″
Weight 5.62 Lbs

Customer questions & answers

  1. 0 votes
    Answered by the admin

    This is a 4 channel amplifier and will work perfectly for 2 different types of speakers.

  2. 0 votes
    Q Can you bridge 2 4ohm speakers with this amp? answer now
    Asked by taopdyke on May 12, 2019 10:27 pm
    Answered by the admin

    no, you can not! if you wire two 4 ohms speaker in parallel into a bridged channel it will be below minimum impedance ( at 2ohms ) we do recommended to use at 4 ohms, with two 8 ohms speakers

  3. 0 votes
    Q Will this power the 8MB500v2-NDY and the 6MR500-NDY ? answer now
    Asked by taopdyke on May 6, 2019 4:25 pm
    Answered by the admin Yes, it will but you will have to bridged two channel to provide a good amount of power to the speakers If you bridged channel 1 and 2 you will have about 310 watts at 4 ohms for 2x speakers ( 8 ohms ) and then you can bridged channel 3 and 4 for the other two speakers

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2 reviews for A4MH PRO

  1. Darion J.

    Great quality

  2. Todd Opdyke

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