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PRV Audio  MDX800.4 2 Ohm New

MDX Series 4-Channel 1600W Max Power 2 Ohm, Class-D Compact Mini Full Range Car Amplifier - Made in Brazil

Item #99610

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MDX800.4 2 Ohm
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Product Highlights
  • MDX Series 4-Channel Car Amplifier
  • 1600W Max Power Output
  • 2 Ohm Stable
  • Class-D Full Range Design
  • Compact Mini Chassis
  • Brazilian Technology
  • Made in Brazil
  Free 1-Year Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.
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$129.91

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PRV Audio MDX800.4 2 Ohm MDX Series 4-Channel 1600W Max Power 2 Ohm, Class-D Compact Mini Full Range Car Amplifier - Made in Brazil

We are a PRV Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • 4-Channel 1600W Max Power 2 Ohm, Class-D Full Range Car Amplifier-Made in Brazil
  • • Owner's Manual

 

Why the PRV Audio MDX800.4 Is One of the Best 2 Ohm 4-Channel Car Amplifiers

 

Compact Power for High-Performance Car Audio

Upgrade your system with the PRV Audio MDX800.4 2 Ohm 4-Channel Amplifier, a compact powerhouse built for enthusiasts who demand serious performance in limited spaces. Its efficient Class D car amplifier design delivers clean, dynamic sound for aftermarket speakers, motorcycles, UTVs, and custom car audio systems. Whether you're enhancing your daily driver or building a loud high-performance car audio system, the MDX800.4 provides the power and reliability to elevate your listening experience.

Compact 2 Ohm Stable Class D Amplifier for Cars, Motorcycles, and UTVs

Engineered in Brazil, the PRV Audio MDX800.4 amplifier combines impressive output with exceptional efficiency. Stable at 2 Ohms, this compact 4-channel car amplifier maximizes power while reducing strain on your vehicle's electrical system. Its mini chassis design allows easy installation in tight spaces, making it ideal for motorcycles, trucks, side-by-sides, and custom builds. If you're searching for a dependable 2 Ohm stable amplifier with outstanding sound quality, the MDX800.4 delivers.

Mini 4-Channel Amplifier for Pro Audio and Aftermarket Speaker Systems

Perfect for powering door speakers, horn tweeters, and complete pro audio car speaker systems, the PRV Audio MDX800.4 2 Ohm amplifier offers the versatility modern audio enthusiasts need. Its combination of compact size, efficient operation, and strong output makes it a top choice for shoppers seeking a mini 4-channel amplifier, Brazilian car audio amplifier, or high-output Class D amplifier. Upgrade your vehicle with louder, cleaner sound and experience the performance trusted by PRV Audio fans worldwide.

 

PRV Audio MDX800.4 2 Ohm Amplifier Guide | 800W RMS 4-Channel Installation Configurations

The PRV Audio MDX800.4 is a compact 2 Ohm stable MINI 4-channel car audio amplifier engineered to deliver outstanding power and efficiency in limited installation spaces. Producing up to 4 x 200 Watts RMS at 2 Ohms, this Brazilian-made Class-D amplifier offers flexible wiring options for midrange speakers, midbass drivers, tweeters, and compression drivers while maintaining exceptional sound quality and reliability.

4-Channel Configuration for 4 Ohm Components

PRV Audio MDX800.4 4 Channel Installation Instructions

Use each amplifier channel independently to power one 4 Ohm speaker, delivering up to 140 Watts RMS per component. This setup is ideal for achieving maximum clarity and balanced output in daily driver systems.

  • Power Output: 4 x 140 Watts RMS @ 4 Ohms
  • Configuration: One 4 Ohm speaker per channel
  • Recommended Speakers: 6MR250B-4 SLIM Bullet Midrange
  • Alternative Options: 6MB200-4 Midbass or 6MR200A-4 Midrange
  • Best For: Car stereo systems requiring clean, efficient multi-channel performance

Parallel Configuration for Multiple 4 Ohm Components

PRV Audio MDX800.4 Parallel Wiring Configuration

For higher speaker counts, each amplifier channel can power two 4 Ohm speakers, drivers, or tweeters wired in parallel. This configuration delivers approximately 100 Watts RMS per component, making it a popular choice for pro audio style systems.

  • Power Output: 4 x 200 Watts RMS @ 2 Ohms
  • Configuration: Two 4 Ohm components in parallel per channel
  • Per Component Power: Up to 100 Watts RMS
  • Best For: Tweeter arrays, compression drivers, and multiple speaker installations

Bridged 2-Channel Configuration for 8 Ohm Components

PRV Audio MDX800.4 Bridged Installation Instructions

The MDX800.4 can also be bridged to provide increased output for larger drivers. Each bridged pair can power two 8 Ohm speakers or drivers wired in parallel, supplying approximately 200 Watts RMS per component.

  • Bridged Output: 2 x 400 Watts RMS @ 4 Ohms
  • Per Component Power: Up to 200 Watts RMS
  • Popular Applications: WG2000Py SLIM Compression Drivers
  • Alternative Drivers: WG2200Ph SLIM Midrange Drivers
  • Best For: High-output mids and highs requiring additional power

Before Installing

  • Always switch off the amplifier before adding or removing any connections to prevent equipment damage.
  • Maintain a minimum spacing of 1.25 inches between amplifiers to reduce heat buildup and ensure proper ventilation.
  • Keep signal and power cables away from ignition wiring, electronic modules, and starter circuits to minimize noise interference.
  • Use only OFC 8 AWG copper wire for power and ground connections.
  • Use a minimum of 14 AWG speaker wire and quality connectors for reliable performance.
  • Do not use copper-clad aluminum (CCAW) wire.
  • Protect the system by installing a 60A fuse within 12 inches of the battery.
  • Ensure all wiring is secured and protected from sharp metal edges during installation.

Final Recommendation

The PRV Audio MDX800.4 delivers impressive power and installation flexibility in an ultra-compact chassis. Whether powering individual midrange speakers, multiple tweeters, or bridged compression drivers, this versatile 4-channel amplifier provides the efficiency, output, and reliability needed for high-performance car audio systems.

 

Frequently Asked Questions (FAQ)

  • • Why does my PRV Audio MDX800.4 go into protection mode or shut off?
    This is usually caused by voltage drop, overheating, or incorrect impedance load. The MDX800.4 is a high-efficiency Class-D amplifier, but it requires stable power (proper 4 AWG or 8 AWG wiring), solid grounding, and proper ventilation to avoid triggering protection mode.
  • • Why is my MDX800.4 getting hot during normal use?
    Heat issues are commonly caused by poor airflow, high gain settings, or continuous full-volume playback. This amplifier performs best when mounted in a ventilated area and tuned properly to avoid clipping and unnecessary stress.
  • • Why do I hear engine noise or alternator whine after installing the amplifier?
    This is typically caused by grounding issues or RCA signal interference. Running RCA cables parallel to power cables or using a weak ground point can introduce noise. A short, clean chassis ground and proper cable routing usually solve the issue.
  • • Why does my system sound weak even though the MDX800.4 is powerful?
    Low output is often caused by incorrect gain settings, poor head unit signal strength, or improper speaker impedance matching. The amplifier delivers full performance only when properly tuned and supplied with clean signal input.
  • • Why is my audio distorting at high volume?
    Distortion is usually a sign of clipping caused by excessive gain or maxed-out head unit volume. The MDX800.4 performs best when gain is properly set and EQ bass boost is kept under control to avoid signal distortion.
  • • Can the PRV Audio MDX800.4 run subwoofers?
    Yes, it can be used in bridged mode for subwoofers, but only within safe impedance limits (typically 4 ohms bridged minimum). It is primarily designed for full-range speakers, so proper configuration is required for subwoofer use.
  • • Why does my amplifier cut off at high volume or bass hits?
    This is usually caused by voltage drop, weak electrical systems, or overcurrent protection being triggered. Upgrading wiring, improving grounding, and ensuring stable battery voltage can help prevent shutdowns.
  • • Why is one channel not working or sounding weaker?
    This issue is often related to loose RCA connections, speaker wiring faults, or incorrect head unit settings. Swapping channels and checking wiring continuity usually helps identify the problem quickly.
  • • Is the PRV MDX800.4 reliable for daily use?
    Yes, it is reliable for daily driving when properly installed. Most issues users experience are related to installation quality rather than amplifier defects, especially wiring, grounding, and tuning mistakes.
  • • What is the most common mistake when installing the MDX800.4?
    The most common mistake is improper gain tuning and undersized wiring. Many users also overlook grounding quality, which leads to noise, clipping, overheating, or protection mode activation.

SPECIFICATIONS

  • Maximum Power : 1600 Watts
  • Number of Channels : 4
  • Frequency Response : 10-20000 Hz
  • Built In Crossovers : Yes
  • RMS Power Output : 4x200 Watts
  • Amplifier Class : D

FEATURES

Features:

  • Compact Mini Amplifier Design for Tight Installations: The PRV Audio MDX800.4 2 Ohm amplifier features an ultra-compact footprint with a heavy-duty heatsink, measuring just 4.25" wide, 4.50" long, and 2.10" high. Its small size makes it ideal for motorcycles, ATVs, Slingshots, pickup trucks, Power Wheels, and custom builds where installation space is limited.
  • Brazilian Class D Technology with High-Efficiency Performance: Designed for high-performance audio systems, this 4-channel digital amplifier utilizes advanced Brazilian Class D technology to deliver impressive power output while minimizing strain on your vehicle's electrical system, helping preserve battery life without sacrificing performance.
  • True RMS 4-Channel Power Output: Engineered to provide clean and reliable full-range amplification, the MDX800.4 delivers a certified 200 Watts RMS x 4 at 2 Ohms and 140 Watts RMS x 4 at 4 Ohms, making it an excellent choice for powering multiple speakers with confidence.
  • Bridgeable Channels for Increased Output: Need more power? The amplifier can be configured in bridged mode to produce 400 Watts RMS x 2 at 4 Ohms, allowing you to maximize output for demanding speaker applications while maintaining excellent sound quality.
  • Flexible 4-, 3-, or 2-Channel System Configurations: Its versatile multichannel architecture eliminates the need for multiple amplifiers by supporting 4-channel, 3-channel, or 2-channel setups, simplifying system design while expanding upgrade possibilities.
  • Surface-Mount Component Innovation: Built using the latest surface-mount technology, this amplifier offers superior resistance to vibration while delivering outstanding sound quality, making it suitable for both everyday enthusiasts and competitive audio systems.
  • Heavy-Duty Cooling System for Reliable Operation: A mini heavy-duty heatsink combined with an integrated cooling fan helps maintain optimal operating temperatures, ensuring consistent performance even during extended listening sessions and demanding playlists.
  • Exceptional Power-to-Weight Ratio: Weighing only 1.25 lbs, the MDX800.4 provides remarkable output in a lightweight package, helping custom installations achieve outstanding performance without adding unnecessary bulk.
  • Ideal for Motorsports and Custom Audio Builds: Specifically suited for motorcycles, 4-wheelers, ATVs, Slingshots, pickup trucks, and other space-conscious applications, this amplifier delivers the power, efficiency, and durability needed for modern high-performance audio systems.

 

Specifications:

  • Impedance: 2 Ohm per Channel
  • Channels: 4 Channel
  • Rated RMS Power at 14.0 V @ 2 Ohm: 4 × 200 Watts RMS
  • Rated RMS Power at 14.0 V @ 4 Ohm: 4 × 140 Watts RMS
  • Bridged Rated RMS Power at 14.0 V @ 4 Ohm: 2 × 400 Watts RMS
  • Average Efficiency: 84%
  • Operating Voltage: 9–16 Volts
  • Musical Current Draw: 45 A
  • Minimum Power Wire Input: 8 Gauge OFC Wire
  • Built-in Crossover: Fixed HPF & LPF at 80 Hz
  • Minimum Speaker Wire Output: 16 Gauge
  • Frequency Response (-3 dB): 10–20,000 Hz
  • Minimum Input Sensitivity for Maximum Output: 0.2–2 V
  • Signal Input: RCA Cables
  • Signal-to-Noise Ratio: >90 dB
  • Protection System: High Temperature and Output Short Circuit Protection
  • Heat Sink Type: Mini Heavy-Duty Cast Aluminum
  • Dimensions (W × D × H): 4.25" × 4.50" × 2.10"
  • UPC:
  • Weight: 2
  • Authorized Internet Dealer
Warranty: 1 Year Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 1 Year from the original date of purchase with proper return authorization.

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SPECIFICATIONS

  • Maximum Power : 1600 Watts
  • Number of Channels : 4
  • Frequency Response : 10-20000 Hz
  • Built In Crossovers : Yes
  • RMS Power Output : 4x200 Watts
  • Amplifier Class : D

FEATURES

Features:

  • Compact Mini Amplifier Design for Tight Installations: The PRV Audio MDX800.4 2 Ohm amplifier features an ultra-compact footprint with a heavy-duty heatsink, measuring just 4.25" wide, 4.50" long, and 2.10" high. Its small size makes it ideal for motorcycles, ATVs, Slingshots, pickup trucks, Power Wheels, and custom builds where installation space is limited.
  • Brazilian Class D Technology with High-Efficiency Performance: Designed for high-performance audio systems, this 4-channel digital amplifier utilizes advanced Brazilian Class D technology to deliver impressive power output while minimizing strain on your vehicle's electrical system, helping preserve battery life without sacrificing performance.
  • True RMS 4-Channel Power Output: Engineered to provide clean and reliable full-range amplification, the MDX800.4 delivers a certified 200 Watts RMS x 4 at 2 Ohms and 140 Watts RMS x 4 at 4 Ohms, making it an excellent choice for powering multiple speakers with confidence.
  • Bridgeable Channels for Increased Output: Need more power? The amplifier can be configured in bridged mode to produce 400 Watts RMS x 2 at 4 Ohms, allowing you to maximize output for demanding speaker applications while maintaining excellent sound quality.
  • Flexible 4-, 3-, or 2-Channel System Configurations: Its versatile multichannel architecture eliminates the need for multiple amplifiers by supporting 4-channel, 3-channel, or 2-channel setups, simplifying system design while expanding upgrade possibilities.
  • Surface-Mount Component Innovation: Built using the latest surface-mount technology, this amplifier offers superior resistance to vibration while delivering outstanding sound quality, making it suitable for both everyday enthusiasts and competitive audio systems.
  • Heavy-Duty Cooling System for Reliable Operation: A mini heavy-duty heatsink combined with an integrated cooling fan helps maintain optimal operating temperatures, ensuring consistent performance even during extended listening sessions and demanding playlists.
  • Exceptional Power-to-Weight Ratio: Weighing only 1.25 lbs, the MDX800.4 provides remarkable output in a lightweight package, helping custom installations achieve outstanding performance without adding unnecessary bulk.
  • Ideal for Motorsports and Custom Audio Builds: Specifically suited for motorcycles, 4-wheelers, ATVs, Slingshots, pickup trucks, and other space-conscious applications, this amplifier delivers the power, efficiency, and durability needed for modern high-performance audio systems.

 

Specifications:

  • Impedance: 2 Ohm per Channel
  • Channels: 4 Channel
  • Rated RMS Power at 14.0 V @ 2 Ohm: 4 × 200 Watts RMS
  • Rated RMS Power at 14.0 V @ 4 Ohm: 4 × 140 Watts RMS
  • Bridged Rated RMS Power at 14.0 V @ 4 Ohm: 2 × 400 Watts RMS
  • Average Efficiency: 84%
  • Operating Voltage: 9–16 Volts
  • Musical Current Draw: 45 A
  • Minimum Power Wire Input: 8 Gauge OFC Wire
  • Built-in Crossover: Fixed HPF & LPF at 80 Hz
  • Minimum Speaker Wire Output: 16 Gauge
  • Frequency Response (-3 dB): 10–20,000 Hz
  • Minimum Input Sensitivity for Maximum Output: 0.2–2 V
  • Signal Input: RCA Cables
  • Signal-to-Noise Ratio: >90 dB
  • Protection System: High Temperature and Output Short Circuit Protection
  • Heat Sink Type: Mini Heavy-Duty Cast Aluminum
  • Dimensions (W × D × H): 4.25" × 4.50" × 2.10"
  • UPC:
  • Weight: 2
  • Authorized Internet Dealer
Warranty: 1 Year Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 1 Year from the original date of purchase with proper return authorization.
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