PRV Audio amplifier packaging box with orange and white design
Back view of a black audio amplifier with labeled inputs and controls.
Back view of a black electronic device with various connectors and labels
4-channel amplifier with PRV Audio branding on a white background
Black amplifier with 'Prv' branding on a white background
PRV audio amplifier with QS Series branding on a white background
PRV amplifier with model number QS800.4 on a white background

PRV QS800.4 2 Ohm Compact Full-Range Car Amplifier | Pro Audio

PRV Audio QS800.4 2ohm—Compact Powerhouse Car Amplifier for Full-Range Clarity The PRV Audio QS800.4 2 ohm is...
Vendor: PRV Audio
SKU: QS800.4 2 Ohms
Availability: In Stock
Product Type: Car Amplifier
$129.91
$169.95
$129.91
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PRV Audio amplifier packaging box with orange and white design

PRV QS800.4 2 Ohm Compact Full-Range Car Amplifier | Pro Audio

$169.95 $129.91

PRV QS800.4 2 Ohm Compact Full-Range Car Amplifier | Pro Audio

$169.95 $129.91

PRV Audio QS800.4 2ohm—Compact Powerhouse Car Amplifier for Full-Range Clarity

The PRV Audio QS800.4 2 ohm is a high-performance car amplifier engineered for clarity, versatility, and efficiency in demanding audio setups. With 220 watts RMS per channel at 2 ohms and the ability to bridge into two channels at 450 watts each, this compact 4-channel Class D powerhouse brings professional-level sound control into your vehicle without taking up unnecessary space.

Built using advanced Brazilian Class D full-bridge technology, the QS800.4 delivers consistent, high-fidelity audio that works perfectly for mids, highs, and even subwoofer support. Whether you’re powering full-range loudspeakers or driving an elaborate multi-speaker system, this car amplifier is a dependable choice for serious enthusiasts.


⚡ High-Power, Flexible Performance

  • 4 × 220 Watts RMS @ 2 Ohms—Perfect for multiple speaker setups.

  • Bridgeable to 2 × 450 Watts—Ideal for subwoofers or midbass drivers.

  • Full-Range Output—Handles everything from crisp highs to deep bass.

  • 82% Efficiency—Minimizes strain on your vehicle’s electrical system.

  • Compact Size—Only 7.9″ × 8″ × 2.65″ for tight installations.

  • Built-In Crossovers—90 Hz high/low-pass filters simplify tuning.

This amplifier’s regulated power supply ensures steady, clean output without performance dips, even under demanding loads.


🎯 Designed for Mids, Highs, and Full-Range Applications

The QS Series was developed with a focus on powering professional audio loudspeakers in vehicles. This makes it an excellent match for custom door panels, stunt walls, or high-output systems that require articulate sound and wide frequency response.

With a frequency range of 20 Hz to 25 kHz, the QS800.4 covers the entire spectrum. The QS800.4 can power everything from subwoofers to tweeters, reducing the need for additional amplifiers and simplifying your setup.


🛠 Compact & Efficient Engineering

Despite its small size, this car amplifier is built for heavy-duty use. The aluminum heatsink keeps the unit cool even during extended high-volume listening, while its efficiency ensures less electrical strain on your system.

Its compact dimensions allow installation under seats, behind panels, or in other space-limited areas — a huge benefit for custom installers and DIY enthusiasts alike.


🔧 Installation Best Practices

For the best performance, PRV recommends:

  • Turn off the amplifier before connecting or disconnecting any wires.

  • Using 100% copper wiring for both power and ground.

  • Keeping cables away from ignition and electrical control wires to reduce noise interference.

  • Installing a 25A fuse within 12 inches of the battery for safety.

  • Avoid sharp bends or edges that could damage the cables.

For expert installation, visit our car audio/video installation services to ensure your amplifier is tuned for maximum performance and reliability.


🌡 Built for Reliability

The QS800.4’s design includes a proprietary cooling system that allows it to run cool even when pushed hard. This not only prolongs the life of the amplifier but also ensures consistent performance during long listening sessions.


🎵 Versatile Audio Applications

  • Full-Range Systems—Ideal for 4-speaker or multi-speaker configurations.

  • Subwoofer Power—Bridgeable channels deliver strong low-end support.

  • Mixed Setups—Power mids and highs from two channels while bridging the other two for a subwoofer.

This flexibility makes the QS800.4 an excellent choice for car audio enthusiasts who want an all-in-one solution.


💡 Pro Tip for the Best Audio Experience

Combine your car amplifier upgrade with professional window tinting to enhance your in-car listening environment. Tinting reduces glare and can improve the acoustic atmosphere inside your vehicle.


📊 Technical Specifications

  • Channels: 4 (Bridgeable to 2)

  • Power Output: 4 × 220W RMS @ 2Ω, 2 × 450W RMS @ 4Ω bridged

  • Efficiency: 82%

  • Frequency Response: 20 Hz – 25 kHz

  • Dimensions: 7.9″ × 8″ × 2.65″

  • Crossover: Built-in 90 Hz HPF/LPF

  • Heatsink: Cast aluminum

  • Technology: Digital Class D Full-Bridge


❓ Frequently Asked Questions

Q1: Can I use the QS800.4 to power a full-range system?
Yes. This car amplifier is designed for full-range performance, handling mids, highs, and even subwoofers with proper crossover settings.

Q2: Does the QS800.4 work with factory head units?
Absolutely. With proper wiring and high-level inputs, it can integrate into factory or aftermarket systems.

Q3: Is it safe to mount the amplifier in small or enclosed spaces?
Yes, as long as there’s adequate ventilation. The QS800.4’s efficient cooling system helps maintain safe operating temperatures.


📍 Why Choose the PRV QS800.4

If you’re looking for a compact, powerful, and versatile car amplifier, the PRV Audio QS800.4 delivers outstanding value. It offers flexibility for various system designs, dependable performance, and a size that fits almost anywhere.

For professional installation or system upgrades, contact Audio Jam in Bear, DE, and experience the difference the right amplifier can make in your sound system.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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