---
product_id: 659590714
title: "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"
brand: "prv audio"
price: "557.43 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Prv Audio"
url: https://www.desertcart.tn/products/659590714-qs400-4-2-ohm-mini-compact-4-channel-car-audio
store_origin: TN
region: Tunisia
---

# 400W max power output Compact 4x5.4x2 inch size 4 channels stable at 2 Ohm 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

**Brand:** prv audio
**Price:** 557.43 DT
**Availability:** ✅ In Stock

## Summary

> 🎶 Compact Powerhouse: Big Sound, Small Footprint, Zero Compromise!

## Quick Answers

- **What is this?** 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 by prv audio
- **How much does it cost?** 557.43 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/659590714-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

- • **Bridged Boost Mode:** Bridge two channels to unleash 2 x 200W RMS, doubling your audio impact when you need it most.
- • **Space-Savvy Design:** Ultra-compact chassis fits discreetly anywhere in your vehicle without sacrificing power.
- • **Multi-Speaker Mastery:** Stable 2 Ohm operation lets you wire multiple speakers and customize your soundstage like a pro.
- • **Brazilian Class D Tech:** State-of-the-art digital Class D amplifier ensures maximum efficiency and minimal heat generation.
- • **Power-Packed Precision:** Delivers 4 x 100W RMS at 2 Ohm for crystal-clear, full-range sound that fills your ride.

## Overview

The PRV Audio QS400.4 is a compact yet powerful 4-channel car amplifier delivering 400 watts total (4 x 100W RMS at 2 Ohm). Engineered with advanced Brazilian Class D technology, it offers high efficiency and stable operation at low impedance, perfect for multi-speaker setups. Its small footprint (4" x 5.4" x 2") allows easy installation in tight spaces, while bridged mode doubles output power for an immersive audio experience. Ideal for audiophiles seeking professional-grade sound without bulk.

## 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: Very satisfied. - Great product for the money. Works great on my Roadglide.
Review: works good small compact - so far so good. powering 4 6.5 kenwood speakers matched to the amp I have a rear sub and the 6.5 equal the subwoofer output and the sound is spot on. very small hides nicely in the side panal cover. Price good and quailty seems legit. I will update if any issues

## 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 |
|---------------|-------|
| ASIN | B0CCZYVY2K |
| Best Sellers Rank | #21,550 in Electronics ( See Top 100 in Electronics ) #10 in Car Multichannel Amplifiers |
| Brand Name | PRV AUDIO |
| Customer Reviews | 4.3 out of 5 stars 168 Reviews |
| Included Components | PRV Audio QS400.4 2 Ohm Mini Compact 4 Channel Car Audio Amplifier |
| Item Dimensions | 13.7 x 10.2 x 5.1 centimeters |
| Item dimensions L x W x H | 13.7 x 10.2 x 5.1 centimeters |
| Manufacturer | PRV AUDIO |
| Material Type | Aluminum |
| Maximum Output Power | 100 watts per channel |
| Maximum Supply Voltage | 12 Volts (DC) |
| Maximum supply voltage | 12 Volts (DC) |
| Minimum Supply Voltage | 9 Volts (DC) |
| Minimum supply voltage | 9 Volts (DC) |
| Model | QS400.4 2 Ohm |
| Mounting Type | Freestanding |
| Mounting type | Freestanding |
| Number of Channels | 4 |
| Output Power | 100 Watts |
| Package Type Name | Box or Blister Pack |
| Part Number | QS400.4 2 Ohm |
| UPC | 810075523898 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |

## 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 (DC)
- **Minimum supply voltage:** 9 Volts (DC)
- **Voltage:** 12 Volts

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/71nrv3H+SeL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very satisfied.
*by J***N on 28 May 2026*

Great product for the money. Works great on my Roadglide.

### ⭐⭐⭐⭐⭐ works good small compact
*by F***T on 10 March 2026*

so far so good. powering 4 6.5 kenwood speakers matched to the amp I have a rear sub and the 6.5 equal the subwoofer output and the sound is spot on. very small hides nicely in the side panal cover. Price good and quailty seems legit. I will update if any issues

### ⭐⭐⭐⭐⭐ Is the best purchase
*by K***A on 24 June 2026*

I thought it was excellent, it was perfect, the most incredible thing is that I can touch the screen and it doesn't lock at all.

## 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

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-11*