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Master & dynamic

QS800.4 2 OHM 4 Channel Full Range Amplifier

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Regular price $139.91
Sale price $139.91 Regular price
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Description

The QS800.4 is a 2-ohm, 4-channel, Class D, 450W RMS car amplifier from PRV Audio, built to bring real performance to your car audio system. It brings real, clean power to your speakers or subwoofers for louder, better sound. Whether you are upgrading a factory setup or building something more serious, the QS800.4 is designed to deliver dependable results that you can hear.

Key details confirmed for the QS800.4 include 4 x 220 watts true rms certified at full range output digital class d brazilian technology; 4 channel car audio amplifier stable at 2 ohm gives you the benefit of wiring multiple speakers and dividing the power per channel; engineered to be the most efficient full range amplifier so that you can get the most out of your vehicle’s electrical system !. These are the kinds of design choices that separate the QS800.4 from generic, no-name parts, and they are what let it hold up and perform in a real vehicle rather than just on paper.

It is the power source that lets the rest of your system reach its potential. In short, the QS800.4 is a practical, no-nonsense choice for anyone who wants to move past the limits of a stock system without overcomplicating the build.

KEY BENEFITS

  • 4 x 220 watts TRUE RMS certified at full range output Digital Class D Brazilian Technology
  • 4 Channel car audio amplifier stable at 2 Ohm gives you the benefit of wiring multiple speakers and
  • Engineered to be the most efficient full range amplifier so that you can get the most out of your
  • A small footprint and compact chassis make this amplifier easy to install anywhere in the vehicle: 8″ Wide
  • 2-ohm, 4-channel, Class D, 450W RMS configuration confirmed for the QS800.4
  • Delivers clean, usable power to your system
  • Built for reliable output in daily use
  • Efficient design is easy on your electrical system

TECHNICAL SPECIFICATIONS

  • Model: QS800.4 (PRV Audio)
  • Category: Car Amplifier
  • Impedance: 2 ohm
  • Channels: 4
  • Class: D
  • Power: 450 W RMS

INSTALLATION & COMPATIBILITY

Feed it clean power and ground with proper-gauge wiring, run quality RCAs from your head unit or a line-out converter, and set the gain by ear or with a meter to keep the output clean. Good wiring and gain setting are what keep an amplifier running cool and clear.

Mount it with airflow around the heatsink, wire the power, ground, and remote correctly, and match speaker or subwoofer loads to its rating. A properly installed amplifier is the backbone of a strong system.

Giving the heatsink room to breathe helps the amplifier run cool and stay reliable over long sessions. Matching speaker and subwoofer loads to the amplifier's rating protects both the amp and your speakers. A line-out converter lets you add this kind of power even to a factory head unit without replacing it.

Star grounding to a clean chassis point keeps noise out of the system. Twisting RCA and remote leads away from power wire reduces interference.

Checking the amp's minimum stable impedance prevents overheating from a low load. A remote gain knob makes day-to-day level changes easy for subwoofer channels.

Letting the amp idle-test after wiring confirms everything is safe before full volume. Clean power is the foundation of good sound, and careful gain setting is what keeps it clean.

Adequate power wire, a good ground, and a proper fuse are what let an amplifier deliver its rated output safely.

Taken together, the QS800.4 balances real capability with sensible design, which is why it fits so cleanly into a practical, results-first build.

FAQS

  • What can I run on the QS800.4?
    The QS800.4 is designed to drive speakers, and depending on the model subwoofers, in a range of daily and performance builds. Good gain structure through the whole signal chain is what separates a system that sounds loud from one that sounds bad.
  • How do I set the gain on the QS800.4?
    Set the QS800.4's gain by ear or with a meter so it plays loud without clipping or overheating. Sizing the fuse and wire to the amplifier's draw is essential for safe operation.
  • Where should I mount the QS800.4?
    Mount the QS800.4 with airflow around the heatsink and wire it with proper-gauge power and ground. Mounting the amp on a solid, ventilated surface helps it shed heat.
  • Is the QS800.4 efficient?
    The QS800.4 is built for efficient output that is easy on your vehicle's electrical system. Matching impedance loads correctly keeps the amp stable and your speakers safe.
  • What makes the QS800.4 a good choice?
    The QS800.4 features 4 x 220 watts TRUE RMS certified at full range output Digital Class D Brazilian Technology. A clean RCA run and a good ground do more for sound than most people expect.
  • Can I bridge the QS800.4?
    Depending on the model, the QS800.4 can be wired for stronger output on fewer channels; check its rating before bridging. A big-three wiring upgrade helps the amp get the voltage it needs under load.
Shipping Information

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.

Shipping from the warehouse after you place your order is same day in most cases, but if it's the holidays or a seasonal rush, in most cases it takes 1 to 3 days. If anything comes up, we will notify you via email or call you. Packages usually arrive in 3 to 10 business days, depending on the service. If anything happens after your product is shipped, please contact the service provider (UPS or USPS first), as we can’t act on your behalf once the item is shipped.

Shipping is FREE over $100.00 in the Continental US. Hawaii, Alaska, and US territories will have shipping calculated at checkout. Orders below $100.00 have a shipping cost starting at $25.00, with the final price calculated per order depending on the item or items purchased. International shipping is calculated by Zonos, a third-party international shipping partner. If there are any issues or exclusions with your purchase, we will reach out to notify you.

When you place an order, we will estimate shipping and delivery dates based on item availability and the shipping option you select. Depending on the shipping provider, estimated shipping dates may appear on the shipping quotes page.

IMPORTANT DELIVERY NOTICE: If you feel you live in an unsafe area where a package could be stolen, please ship your order to a safer address. Once the package has been shipped and scanned as delivered, it becomes the responsibility of your home or homeowners insurance. Please be diligent to ensure safe delivery.

We are happy to offer signature-required delivery if requested. If you would like your package to require a signature, please include this request in your order notes. Please note that shipping rates for many items are weight-based. Item weights can be found on the product detail page and are rounded up to the next full pound to comply with shipping carrier policies.

Route Package Protection: We’ve partnered with Route, a package protection and tracking solution, to provide an enhanced delivery experience. Route offers low-cost shipping protection in case your package is lost, stolen, or damaged during transit.

Route also offers a mobile app that allows you to visually track all your online orders in one place—no need to search emails for tracking numbers. Dynamic maps and real-time shipping updates keep you informed throughout the delivery process. The Route app is available on both Android and Apple app stores.

If you experience an issue with your order, please file a claim directly with Route’s support team.

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