---
product_id: 52750700
title: "R4002 Subwoofer Black"
brand: "boss audio systems"
price: "$544"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/52750700-r4002-subwoofer-black
store_origin: NZ
region: New Zealand
---

# 800W max bridged power Full range amp for versatile sound Variable input gain control R4002 Subwoofer Black

**Brand:** boss audio systems
**Price:** $544
**Availability:** ✅ In Stock

## Summary

> 🔊 Feel the bass, own the road.

## Quick Answers

- **What is this?** R4002 Subwoofer Black by boss audio systems
- **How much does it cost?** $544 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/52750700-r4002-subwoofer-black)

## 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

- • **Sleek Black Design:** Modern, professional look that complements any vehicle interior with style.
- • **Precision Gain Control:** Fine-tune your signal input without affecting volume, ensuring crystal-clear sound clarity.
- • **Unmatched Power Output:** Delivers up to 800W bridged for deep, immersive bass that commands attention.
- • **Dual Input Compatibility:** Seamlessly connects via low-level RCA or high-level speaker inputs for easy integration.
- • **Versatile Full Range Amplification:** Supports both speakers and subwoofers, giving you ultimate audio flexibility.

## Overview

The R4002 Subwoofer Black is a high-performance vehicle subwoofer amplifier delivering up to 800W bridged power at 4 ohms. Featuring full range amplification, it supports both speakers and subwoofers with dual input options (low-level RCA and high-level speaker inputs) and a variable gain control for precise signal adjustment. Designed for audiophiles seeking powerful, clear bass with a sleek, professional aesthetic.

## Description

R4002 Subwoofer Black

## 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
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004S50ZNA |
| Best Sellers Rank | #22,501 in Electronics ( See Top 100 in Electronics ) #26 in Car Dual-Channel Amplifiers |
| Brand | BOSS Audio Systems |
| Color | Black |
| Customer Reviews | 4.0 4.0 out of 5 stars (5,440) |
| Date First Available | March 15, 2011 |
| Department | BOSS AUIO |
| Global Trade Identification Number | 00791489115292 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.2 pounds |
| Item dimensions L x W x H | 10.72 x 10.44 x 2.25 inches |
| Item model number | R4002 |
| Manufacturer | BOSS Audio Systems |
| Material | Metal and Plastic |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Other display features | Wireless |
| Output Power | 800 Watts |
| Package Type Name | MOSFET Car Amplifier |
| Product Dimensions | 10.72 x 10.44 x 2.25 inches |
| Specification Met | certified frustration-free |
| UPC | 151903166987 791489115292 |
| Whats in the box | Remote subwoofer control |

## Product Details

- **Item dimensions L x W x H:** 27.2 x 26.5 x 5.7 centimetres
- **Manufacturer:** Boss Audio Systems
- **Mounting type:** Surface Mount
- **Brand:** BOSS Audio Systems
- **Number of channels:** 2

## Images

![R4002 Subwoofer Black - Image 1](https://m.media-amazon.com/images/I/91arWIXGJWL.jpg)

## Available Options

This product comes in different **Style Name** 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.nz/products/52750700-r4002-subwoofer-black](https://www.desertcart.nz/products/52750700-r4002-subwoofer-black)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-28*