--- product_id: 597015703 title: "QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable" brand: "prv audio" price: "€ 396.08" currency: EUR in_stock: true reviews_count: 5 category: "Prv Audio" url: https://www.desertcart.gr/products/597015703-qs400-4-2-ohm-mini-compact-4-channel-car-audio store_origin: GR region: Greece --- # 400W RMS power output Compact 4x5.4x2 inch footprint Stable 2 Ohm 4-channel design QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable **Brand:** prv audio **Price:** € 396.08 **Availability:** ✅ In Stock ## Summary > 🎶 Compact Powerhouse: Big Sound, Small Package! ## Quick Answers - **What is this?** QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable by prv audio - **How much does it cost?** € 396.08 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/597015703-qs400-4-2-ohm-mini-compact-4-channel-car-audio) ## Best For - prv audio enthusiasts ## Why This Product - Trusted prv audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Space-Savvy Design:** Ultra-compact chassis fits seamlessly into any vehicle setup without sacrificing power or performance. - • **Plug & Play Versatility:** Stable at 2 Ohms, perfect for multi-speaker setups and flexible wiring configurations. - • **Bridge for Double Impact:** 2-channel bridged mode pumps out 2 x 200 Watts RMS, maximizing your speaker’s potential. - • **Power Your Ride with Precision:** Delivers 4 x 100 Watts RMS at 2 Ohms for crystal-clear, full-range sound that fills your car. - • **Brazilian Tech Meets Efficiency:** Class D digital amplifier engineered for peak electrical efficiency, preserving your car battery life. ## Overview The PRV Audio QS400.4 is a compact, 4-channel Class D car amplifier delivering 4 x 100 Watts RMS at 2 Ohms, with bridgeable channels for up to 2 x 200 Watts RMS. Engineered with Brazilian digital technology, it offers high efficiency and a small footprint (4" x 5.4" x 2"), making it ideal for professional-grade car audio setups that demand power and space-saving design. ## Description PRV Audio QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - 400 Watt Amp Stereo 12 Volts Amp Class D Full Range Bridgeable || 4 x 100 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! || A small footprint and compact chassis make this amplifier easy to install anywhere in the vehicle: 4″ Wide x 5.40″ Length x 2″ Height || 2 Channel Bridged - double the power output to your speakers by bridging two channels. Minimum impedance of 4 Ohms per bridged channel at output power of 2 x 200 Watts RMS. Review: Perfect sounding for price Review: Good for the price ## Features - 4 x 100 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! - A small footprint and compact chassis make this amplifier easy to install anywhere in the vehicle: 4″ Wide x 5.40″ Length x 2″ Height - 2 Channel Bridged - double the power output to your speakers by bridging two channels. Minimum impedance of 4 Ohms per bridged channel at output power of 2 x 200 Watts RMS. ## Technical Specifications | Specification | Value | |---------------|-------| | Item dimensions L x W x H | 13.7 x 10.2 x 5.1 Centimeters | | Voltage | 12 Volts | | Manufacturer | PRV Audio | | Maximum Supply Voltage | 12 Volts | | Minimum Supply Voltage | 14 Volts | | Mounting Type | Freestanding | | Brand | PRV Audio | | Number of Channels | 4 | | Output Power | 1E+2 Watts | | Package Type Name | Boxed | | Material | aluminum | | UPC | 810075523898 | | Country of Origin | USA | | Model number | QS400.4 2 Ohm | | Item Weight | 608 g | | Product Dimensions | 13.72 x 10.16 x 5.08 cm; 608 g | | Item model number | QS400.4 2 Ohm | | Item Height | 2 Inches | | Item Width | 4 Inches | | Are batteries included? | No | ## Product Details - **Item dimensions L x W x H:** 13.7 x 10.2 x 5.1 Centimeters - **Manufacturer:** PRV Audio - **Maximum Supply Voltage:** 12 Volts - **Minimum Supply Voltage:** 14 Volts - **Voltage:** 12 Volts ## Images ![QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable - Image 1](https://m.media-amazon.com/images/I/71nrv3H+SeL.jpg) ![QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable - Image 2](https://m.media-amazon.com/images/I/71fmRXFGveL.jpg) ![QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable - Image 3](https://m.media-amazon.com/images/I/61Eziv8he-L.jpg) ![QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable - Image 4](https://m.media-amazon.com/images/I/61UZpDWWztL.jpg) ![QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - Stereo 12 Volts Amp Class D Full Range Bridgeable - Image 5](https://m.media-amazon.com/images/I/61dFB3r5fxL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect sounding for price *by J***. on 10 October 2025* ### ⭐⭐⭐⭐ Good for the price *by B***4 on 30 October 2024* ### ⭐ Showed up not working *by A***W on 7 August 2024* ## Frequently Bought Together - PRV Audio QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier 4 x 100 Watts RMS at 2 Ohm - 400 Watt Amp Stereo 12 Volts Amp Class D Full Range Bridgeable - PRV AUDIO Super Tweeters for Car Audio, 3.5 Inch Bullet Tweeter Pair 240 Watts, PRV Tweeter TW350Ti-4 Slim Titanium Bullet PRO Shallow Tweeters Speakers 4 Ohm - Ultra Slim Easy to Mount --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/597015703-qs400-4-2-ohm-mini-compact-4-channel-car-audio](https://www.desertcart.gr/products/597015703-qs400-4-2-ohm-mini-compact-4-channel-car-audio) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-04-23*