---
product_id: 276485527
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: "¥28630"
currency: JPY
in_stock: true
category: "Boss Audio Systems"
url: https://www.desertcart.jp/products/276485527-r4002-riot-series-car-audio-stereo-amplifier-800-high-output
store_origin: JP
region: Japan
---

# 800W max output power Full range & bridgeable channels Variable input gain control 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:** ¥28630
**Availability:** ✅ In Stock

## Summary

> 🎵 Unleash Your Ride’s True Sound Potential with Boss Riot R4002!

## 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?** ¥28630 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/276485527-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

- • **Seamless Integration:** Supports both low and high level inputs for versatile compatibility with any car audio setup.
- • **Tailor Your Soundscape:** Variable input gain and high/low pass crossovers let you customize audio to perfection.
- • **Power that Packs a Punch:** Delivers up to 800W max bridged output for booming bass and crystal-clear highs.
- • **Plug & Play with Confidence:** Includes remote subwoofer control and backed by a 6-year platinum warranty for peace of mind.
- • **Precision MOSFET Power Supply:** Ensures efficient, stable power delivery with minimal distortion (THD 0.01%).

## Overview

The BOSS Audio Systems R4002 Riot Series is a 2-channel Class A/B car amplifier delivering up to 800 watts max power bridged at 4 ohms. Featuring a MOSFET power supply, variable gain control, and full range capability, it supports both low and high level inputs for flexible installation. With high/low pass crossovers and remote subwoofer control, it offers customizable sound tailored for first-time and seasoned car audio enthusiasts alike. Compact and robust, it comes with a 6-year warranty ensuring long-term reliability.

## Description

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 : desertcart.ae: Tools & Home Improvement

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004S50ZNA |
| Best Sellers Rank | #55,061 in Electronics ( See Top 100 in Electronics ) #44 in Car Multichannel Amplifiers |
| Brand | BOSS Audio Systems |
| Brand Name | BOSS Audio Systems |
| Customer Reviews | 4.3 out of 5 stars 351 Reviews |
| Global Trade Identification Number | 00791489115292 |
| Included Components | Remote subwoofer control |
| Item Dimensions | 27.2 x 26.5 x 5.7 centimeters |
| Item Weight | 5.2 Pounds |
| Item dimensions L x W x H | 27.2 x 26.5 x 5.7 centimeters |
| Manufacturer | BOSS Audio Systems |
| Material Type | Metal and Plastic |
| Maximum Output Power | 800 watts |
| Model | R4002 |
| Mounting Type | Freestanding |
| Mounting type | Freestanding |
| Number of Channels | 2 |
| Number of channels | 2 |
| Output Power | 800 Watts |
| Output power | 800 Watts |
| Package Type Name | Box |
| Part Number | R4002 |
| Specification Met | certified frustration-free |
| UPC | 151903166987 791489115292 |
| Unit Count | 800 Count |

## Product Details

- **Brand:** BOSS Audio Systems
- **Item dimensions L x W x H:** 27.2 x 26.5 x 5.7 centimeters
- **Manufacturer:** BOSS Audio Systems
- **Mounting type:** Freestanding
- **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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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-30*