---
product_id: 11489708
title: "Boss Audio AR4000D 4000 Watt Monoblock Class D Digital Amplifier and 4GAMPKIT-SFLEX Q Power Super Flex 4-Gauge 3000-Watt Amplifier Installation Kit"
brand: "boss audio systems"
price: "$160"
currency: NZD
in_stock: false
reviews_count: 8
url: https://www.desertcart.nz/products/11489708-boss-audio-ar4000d-4000-watt-monoblock-class-d-digital-amplifier
store_origin: NZ
region: New Zealand
---

# 4000W max power output Remote subwoofer level control Thermal & short circuit protection Boss Audio AR4000D 4000 Watt Monoblock Class D Digital Amplifier and 4GAMPKIT-SFLEX Q Power Super Flex 4-Gauge 3000-Watt Amplifier Installation Kit

**Brand:** boss audio systems
**Price:** $160
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power your ride with precision and protection — feel the bass, own the road!

## Quick Answers

- **What is this?** Boss Audio AR4000D 4000 Watt Monoblock Class D Digital Amplifier and 4GAMPKIT-SFLEX Q Power Super Flex 4-Gauge 3000-Watt Amplifier Installation Kit by boss audio systems
- **How much does it cost?** $160 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/11489708-boss-audio-ar4000d-4000-watt-monoblock-class-d-digital-amplifier)

## 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

- • **Crystal-Clear Sound:** Ultra-low 0.01% THD and 105 dB SNR for pristine, distortion-free audio clarity.
- • **Unmatched Power Surge:** Delivers a staggering 4000 Watts max power to dominate your car audio experience.
- • **Plug & Play Perfection:** Complete 4-gauge Super Flex wiring kit ensures effortless, professional-grade installation.
- • **Precision Bass Control:** Remote subwoofer level control lets you fine-tune your low-end vibes on the fly.
- • **Rock-Solid Reliability:** Built-in thermal overload and speaker short protection keep your system safe and sound.

## Overview

The Boss Audio AR4000D is a 4000 Watt Class D monoblock amplifier designed for serious car audio enthusiasts. It features advanced thermal and short circuit protection, a remote bass level control, and ultra-low distortion for crystal-clear sound. Paired with the 4GAMPKIT-SFLEX installation kit, it includes premium 4-gauge oxygen-free copper wiring and gold-plated connectors for optimal power delivery and durability, making it a complete, high-performance solution for upgrading your vehicle's audio system.

## Description

The BOSS **AR4000D** Armor 4000W Monoblock Class D Car Audio Amplifier can supply 4000 Watts of MAX power! It features Class D and Digital Technology, 1 Output Channel, a Soft Turn On Circuit, a Master/Slave Switch, Thermal Overload & Speaker's Short Protection, Power & Protection LEDs, 2 RCA Line Outputs, an Input Sensitivity Selector, and a Remote Bass Level Control! The BOSS **AR4000D** Armor 4000W Monoblock Class D Car Audio Amplifier has the juice to provide your system with amazing power! Not only is the Shaker Series Amplifier Installation Kit a true lifesaver, but it also is designed to make your entire sound system work at peak performance. If you want your amplifier to operate at its best you simply cannot use inferior parts and accessories. Our exclusive, pre selected set of tools includes CopperCure highly conductive copper wires that are oxygen free to ensure clean and consistent power transfer.These high performance copper wires are wrapped in the durable and flexible SurfaceFlex wire jacket for effective cable routing. The CRB fuse holder has been specially plated with nickel for corrosion protection against the elements. Last but not least, distortion and external noise are reduced to a minimum with the Strand Interaction Conductor. ![alt text][1] [1]: https://www.vminnovations.com/sys/resource.ashx?guid=6088617e844b4420a69def16beba86bb

## Features

- AMPLIFIER: 4000 Watts x 1 Channel; Number of Output Channels: 1; Thermal Overload & Speaker's Short Protection; RMS Power: 3000 Watt x 1 Channel @ 1 Ohm, 1500 Watt x 1 Channel @ 2 Ohm, 750 Watt x 1 Channel @ 4 Ohm; Soft Turn-On Circuit; Master/Slave Switch; Power & Protection LEDs; Number of RCA Line Output: 2; Strapping Capability; Input Sensitivity Selector
- AMPLIFIER SPECIFICATIONS: Frequency Response: 15 to 150 Hz; Total Harmonic Distortion (THD) @ RMS Output: 0.01%; Signal-to-Noise Ratio (SNR): 105 dB; Minimum Speaker Impedance: 1 Ohms; Variable Low Pass Crossover: 50 to 150 Hz; Dimensions (L x W x H): 14.31 x 6.5 x 2.56 inches; Includes remote subwoofer level control
- AMPLIFIER KIT: Handles up to 3000 watts of power; 4 gauge wiring; Ready for complete amplifier installation
- KIT INCLUDES: Deluxe high quality fuse holder; Gold plated ANL fuse (100 amps); 17 feet of 4 gauge Super Flex orange power cable; 3 feet of 4 gauge Super Flex blue power cable; 17 feet of 18 gauge blue turn on wire; 25 feet of 16 gauge Super Flex speaker wire; 17 feet of deluxe RCA interconnect; 3 grommets; 5/16 inch gold plated ring terminal; 1/4 inch gold plated ring terminal; Number 10 gold plated ring terminal; 4 gold plated speaker terminals; 20, 4 inch wire ties
- KIT SPECIFICATIONS: Dimensions: 13 x 8 x 3 inches; Weight: 2.6 pounds

## Product Details

- **Voltage:** 12 Volts (DC)
- **Manufacturer:** BOSS Audio
- **Maximum Supply Voltage:** 12 Volts
- **Minimum Supply Voltage:** 12 Volts
- **Mounting Type:** Car Mount

## Images

![Boss Audio AR4000D 4000 Watt Monoblock Class D Digital Amplifier and 4GAMPKIT-SFLEX Q Power Super Flex 4-Gauge 3000-Watt Amplifier Installation Kit - Image 1](https://m.media-amazon.com/images/I/710xC+4MEOL.jpg)
![Boss Audio AR4000D 4000 Watt Monoblock Class D Digital Amplifier and 4GAMPKIT-SFLEX Q Power Super Flex 4-Gauge 3000-Watt Amplifier Installation Kit - Image 2](https://m.media-amazon.com/images/I/718-R3vye+L.jpg)
![Boss Audio AR4000D 4000 Watt Monoblock Class D Digital Amplifier and 4GAMPKIT-SFLEX Q Power Super Flex 4-Gauge 3000-Watt Amplifier Installation Kit - Image 3](https://m.media-amazon.com/images/I/71A+r9ClgUL.jpg)
![Boss Audio AR4000D 4000 Watt Monoblock Class D Digital Amplifier and 4GAMPKIT-SFLEX Q Power Super Flex 4-Gauge 3000-Watt Amplifier Installation Kit - Image 4](https://m.media-amazon.com/images/I/6166mW5R-DL.jpg)
![Boss Audio AR4000D 4000 Watt Monoblock Class D Digital Amplifier and 4GAMPKIT-SFLEX Q Power Super Flex 4-Gauge 3000-Watt Amplifier Installation Kit - Image 5](https://m.media-amazon.com/images/I/710Yf8FcSaL.jpg)

## Customer Reviews

### ⭐ 







  
  
    Will blow your subs with out worning
  

*by G***Y on Reviewed in the United States 🇺🇸 on April 16, 2022*

Litthad for almost a year started playing my bass less and less than I tried seeing what's up and it blew both my 12swith out any music or anything never buy again worst amp ever hope no one gets this garbage

### ⭐⭐⭐ 







  
  
    Good product.
  

*by E***E on Reviewed in the United States 🇺🇸 on May 3, 2020*

This product is doing just what I need it to.

### ⭐⭐⭐⭐ 







  
  
    Great for the price!
  

*by C***S on Reviewed in the United States 🇺🇸 on July 16, 2015*

Powering 2 Rockford Fosgat P3 15's. You get your monies worth.

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**Shop now:** [https://www.desertcart.nz/products/11489708-boss-audio-ar4000d-4000-watt-monoblock-class-d-digital-amplifier](https://www.desertcart.nz/products/11489708-boss-audio-ar4000d-4000-watt-monoblock-class-d-digital-amplifier)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-07*