---
product_id: 1173339
title: "BOSS Audio Systems R2504 4 Channel 1000 Output Class A/B Car Amplifier"
brand: "boss audio systems"
price: "S$277"
currency: SGD
in_stock: true
reviews_count: 13
category: "Boss Audio Systems"
url: https://www.desertcart.sg/products/1173339-boss-audio-systems-r2504-4-channel-1000-output-class-b
store_origin: SG
region: Singapore
---

# 1000W max power output 4-channel Full Range Amplifier Variable Gain & Bass Boost BOSS Audio Systems R2504 4 Channel 1000 Output Class A/B Car Amplifier

**Brand:** boss audio systems
**Price:** S$277
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** BOSS Audio Systems R2504 4 Channel 1000 Output Class A/B Car Amplifier by boss audio systems
- **How much does it cost?** S$277 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/1173339-boss-audio-systems-r2504-4-channel-1000-output-class-b)

## 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

- • **Pro-Grade Reliability:** Class A/B topology with MOSFET power supply ensures clean, distortion-free sound at every volume.
- • **Flexible Sound Control:** High-Pass and Low-Pass Crossovers optimize speaker and subwoofer performance seamlessly.
- • **Tailor Your Bass Experience:** Variable Bass Boost and Remote Subwoofer Control let you dial in the perfect low-end punch.
- • **Bridgeable for Maximum Impact:** Combine channels to unleash 500W x 2 bridged power and dominate your car audio setup.
- • **Power That Commands Attention:** Delivers up to 250W x 4 channels at 2 Ohms for crystal-clear, room-filling sound.

## Overview

The BOSS Audio Systems R2504 is a 4-channel Class A/B car amplifier delivering up to 1000 watts max power with MOSFET technology. It features variable gain and bass boost controls, high and low-pass crossovers, and bridgeable channels for flexible, high-quality sound customization. Compact and reliable, it’s designed for audiophiles seeking powerful, distortion-free audio performance in their vehicle.

## Description

Get your music pumping with the Boss Audio Riot R2504 Class A/B 4-Channel Full Range Amplifier. This 2-Ohm stable Amplifier features 1000 Watts Max Power with a MOSFET power supply to maximize your music. Customize the sound with Variable Low Pass Crossover, High Pass Crossover and Bass Boost. Tweak the Bass 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. Pump up the volume with the Boss Audio R2504. For further product details, please scroll down.

Review: Sounds great! - Perfect for what I needed it for
Review: So Far So Good - The amp so far is making my speakers 🔊 work nice and loud and hard. Boss been around forever and the brand is good. No complaints on my end and the price was good . I would recommend

## Features

- Power - 250 Max x 4 @2-Ohms, 125 Max x 4 @4-Ohms, 500 Max x 2 Bridged @4 Ohms
- 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
- Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
- Variable 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
- Variable Bass Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)
- Fixed High-Pass Crossover - Speakers reproduce sound based on high, low or mid-range frequencies. The High-Pass Crossover gears specifically towards “highs” such as all size speakers including mid ranges and tweeters
- Bridgeable - Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels
- Specs - Dimensions: 10.72” x 10.44” x 2.25”, Weight: 5.80 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: 2 25 Amp ATO Blade

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004S52OL6 |
| Best Sellers Rank | #30,331 in Electronics ( See Top 100 in Electronics ) #85 in Car Multichannel Amplifiers |
| Brand | BOSS Audio Systems |
| Brand Name | BOSS Audio Systems |
| Customer Reviews | 4.2 out of 5 stars 665 Reviews |
| Global Trade Identification Number | 00791489115247, 00807034597656 |
| Included Components | Instruction manual |
| Item Dimensions | 10.7 x 10.4 x 2.3 inches |
| Item Weight | 5.8 pounds |
| Item dimensions L x W x H | 10.7 x 10.4 x 2.3 inches |
| Manufacturer | BOSS Audio Systems |
| Material Type | Metal |
| Maximum Supply Voltage | 12 volts_of_direct_current |
| Minimum Supply Voltage | 12 volts_of_direct_current |
| Model | R2504 |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Number of Items | 1 |
| Output Power | 250 watts |
| Package Type Name | MOSFET Car Amplifier with Remote Subwoofer Control |
| Part Number | R2504 |
| Specification Met | FCC |
| UPC | 791489115247 804066808286 807034597656 999994763483 |
| Unit Count | 4 Count |
| Warranty Description | 6 Year Platinum Online Dealer Warranty valid only on products Sold / Shipped by Amazon.com. This offer is not valid on purchases made from third party market place sellers |

## Product Details

- **Brand:** BOSS Audio Systems
- **Item dimensions L x W x H:** 10.7 x 10.4 x 2.3 inches
- **Manufacturer:** BOSS Audio Systems
- **Number of Channels:** 4
- **Output Power:** 1000 Watts

## Images

![BOSS Audio Systems R2504 4 Channel 1000 Output Class A/B Car Amplifier - Image 1](https://m.media-amazon.com/images/I/91xRcp5CyVL.jpg)
![BOSS Audio Systems R2504 4 Channel 1000 Output Class A/B Car Amplifier - Image 2](https://m.media-amazon.com/images/I/41mMGvJxu7L.jpg)
![BOSS Audio Systems R2504 4 Channel 1000 Output Class A/B Car Amplifier - Image 3](https://m.media-amazon.com/images/I/81CMFqk9K0L.jpg)
![BOSS Audio Systems R2504 4 Channel 1000 Output Class A/B Car Amplifier - Image 4](https://m.media-amazon.com/images/I/9123eejFjSL.jpg)
![BOSS Audio Systems R2504 4 Channel 1000 Output Class A/B Car Amplifier - Image 5](https://m.media-amazon.com/images/I/71XOH4zPo+L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sounds great!
*by S***E on August 14, 2026*

Perfect for what I needed it for

### ⭐⭐⭐⭐⭐ So Far So Good
*by J***Y on July 19, 2024*

The amp so far is making my speakers 🔊 work nice and loud and hard. Boss been around forever and the brand is good. No complaints on my end and the price was good . I would recommend

### ⭐⭐⭐⭐ Not a bad little amp for the price
*by C***S on April 5, 2022*

I have this amp on four 6 1/2" Pyle PLMR6kb mid-range one boss cxx8 8" sub in sealed box head unit is jvc kd-x37mbs it runs four 5" noams all in my sxs sounds great. Couldn't imagine this set up in a small truck or car. I recommend these products all from Amazon Thanks guys

## Frequently Bought Together

- BOSS Audio Systems R2504 Riot Series Car Audio Stereo Subwoofer Amplifier - 1000 High Output, 4 Channel, Class A/B, 2/4 Ohm, High/Low Level Inputs, High/Low Pass Crossover, Bridgeable, Full Range
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals
- BOSS Audio Systems R1100M Monoblock Car Amplifier - 1100 High Output, 2-8 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, MOSFET Power Supply

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-19*