---
product_id: 2551749
title: "R4002 Riot Series Car Audio Stereo Amplifier – 800 High Output, 2 Channel, Class A/B, 2/4 Ohm, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, Subwoofer"
brand: "boss audio systems"
price: "€ 217.55"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/2551749-r4002-riot-series-car-audio-stereo-amplifier-800-high-output
store_origin: SK
region: Slovakia
---

# 800W Max Power Full Range Amplifier Class A/B Topology R4002 Riot Series Car Audio Stereo Amplifier – 800 High Output, 2 Channel, Class A/B, 2/4 Ohm, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, Subwoofer

**Brand:** boss audio systems
**Price:** € 217.55
**Availability:** ✅ In Stock

## Summary

> 🎶 Amplify Your Drive with BOSS Audio!

## Quick Answers

- **What is this?** R4002 Riot Series Car Audio Stereo Amplifier – 800 High Output, 2 Channel, Class A/B, 2/4 Ohm, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, Subwoofer by boss audio systems
- **How much does it cost?** € 217.55 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/2551749-r4002-riot-series-car-audio-stereo-amplifier-800-high-output)

## Best For

- boss audio systems enthusiasts

## Why This Product

- Trusted boss audio systems brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Robust Design:** Built with a MOSFET power supply for efficient and reliable performance.
- • **Precision Control:** Fine-tune your sound with variable input gain control for a personalized audio journey.
- • **Unleash the Power:** Experience a staggering 800W max output for an electrifying audio experience.
- • **Long-lasting Assurance:** Enjoy peace of mind with a 6-year warranty from BOSS Audio Systems.
- • **Versatile Connectivity:** Seamlessly connect with low/high level inputs for ultimate flexibility.

## Overview

The BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier delivers a powerful 800W max output, featuring a full range amplifier that supports both speakers and subwoofers. With versatile low/high level inputs and precision variable gain control, this Class A/B amplifier ensures an exceptional audio experience. Built with a MOSFET power supply for efficiency, it also comes with a 6-year warranty for added peace of mind.

## Description

Drive your in-vehicle audio experience up a level with the Boss Audio Riot R4002 Class A/B 2-Channel Full Range Amplifier. This 2-Ohm stable amplifier features 800 Watts Max Power with a MOSFET power supply to pump out your playlists. Customize the sound with Fixed High Pass Crossover, Variable Low Pass Crossover and Bass Boost. Control those Bass vibes with the Remote Subwoofer Control. Bridge channels for more power and flexibility. Amplifiers in the Riot Series are perfect for first time car audio buyers looking to add Bass, enhanced sound and performance to their system at an affordable price. Get your vehicle rocking with the Boss Audio R4002. For further product details, please scroll down.

## Features

- Power - 400 Max x 2 @ 2 Ohms, 200 Max x 2 @ 4 Ohms, 800 Max Bridged x 1 @ 4 Ohms
- Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
- Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers
- Variable Input Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
- Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal
- Mosfet Power Supply - A MOSFET is an electrical switch that allows the flow of electrical current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry
- Specs - Dimensions: 10.72” x 10.44” x 2.25”, Weight: 5.20 lbs., Speaker Impedance: 2 to 8 Ohm, THD @ RMS Output: 0.01%, S/N Ratio: 102 dB, Frequency Response: 9 Hz to 50 kHz, Fuse Quantity: 1 40 Amp ATO Blade
- Warranty - BOSS Audio Systems provides a 6 Year Platinum Online Dealer Warranty for purchases through desertcart.Com. We strongly encourage professional installation of this product to ensure proper functionality

## Product Details

- **Item dimensions L x W x H:** 10.72 x 10.44 x 2.25 inches
- **Manufacturer:** BOSS Audio Systems
- **Mounting Type:** Surface Mount
- **Brand:** BOSS Audio Systems
- **Number of Channels:** 2

## Images

![R4002 Riot Series Car Audio Stereo Amplifier – 800 High Output, 2 Channel, Class A/B, 2/4 Ohm, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, Subwoofer - Image 1](https://m.media-amazon.com/images/I/91arWIXGJWL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- BOSS Audio Systems R4002 Riot Series Car Audio Stereo Amplifier – 800 High Output, 2 Channel, Class A/B, 2/4 Ohm, Low/High Level Inputs, High/Low Pass Crossover, Full Range, Bridgeable, Subwoofer
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals

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**Shop now:** [https://www.desertcart.sk/products/2551749-r4002-riot-series-car-audio-stereo-amplifier-800-high-output](https://www.desertcart.sk/products/2551749-r4002-riot-series-car-audio-stereo-amplifier-800-high-output)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-26*