---
product_id: 104256560
title: "SK-M4004D Compact Full-Range 400W RMS Class D MOSFET 4 Channel Car Amplifier"
brand: "skar audio"
price: "17327753₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/104256560-sk-m4004d-compact-full-range-400w-rms-class-d-mosfet
store_origin: VN
region: Vietnam
---

# MOSFET Class D efficiency Compact 4-channel design 400W RMS power output SK-M4004D Compact Full-Range 400W RMS Class D MOSFET 4 Channel Car Amplifier

**Brand:** skar audio
**Price:** 17327753₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Unleash your car’s true sound potential with power and precision!

## Quick Answers

- **What is this?** SK-M4004D Compact Full-Range 400W RMS Class D MOSFET 4 Channel Car Amplifier by skar audio
- **How much does it cost?** 17327753₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/104256560-sk-m4004d-compact-full-range-400w-rms-class-d-mosfet)

## Best For

- skar audio enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Compact:** Space-saving design fits seamlessly into any car setup without compromise.
- • **Wide Frequency Range:** Experience deep bass to crisp highs with 10Hz-40kHz frequency response.
- • **Efficient MOSFET Tech:** Class D amplifier ensures high power with minimal heat and energy loss.
- • **Optimized Sensitivity:** 85 dB sensitivity guarantees dynamic sound clarity even at lower volumes.
- • **Power-Packed Performance:** Delivers 134W x 4 channels at 2Ω for crystal-clear, room-filling sound.

## Overview

The SK-M4004D is a compact, full-range 400W RMS Class D MOSFET 4-channel car amplifier delivering 134W per channel at 2 ohms and 80W at 4 ohms. It features a wide 10Hz-40kHz frequency response and 85 dB sensitivity, combining efficient power output with a sleek design perfect for upgrading any vehicle audio system.

## Description

SK-M4004D Compact Full-Range 400W RMS Class D MOSFET 4 Channel Car Amplifier

## Features

- Compact MOSFET 4-Channel Class AB Car Amplifier
- RMS Power at 2 Ohms : 134 Watts x 4 Channels (14.4v)
- RMS Power at 4 Ohms : 80 Watts x 4 Channels (14.4v)
- Frequency Response : 10Hz-40kHz Hz
- Sensitivity : 85 dB

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EQX5ORK |
| Best Sellers Rank | #13,719 in Electronics ( See Top 100 in Electronics ) #16 in Car Mono Amplifiers |
| Brand | Skar Audio |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,519) |
| Date First Available | April 25, 2016 |
| Global Trade Identification Number | 00739189979165 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.74 pounds |
| Item dimensions L x W x H | 7.9 x 4.64 x 1.65 inches |
| Item model number | SK-M4004D |
| Manufacturer | Skar Audio |
| Material | Mosfet |
| Maximum Supply Voltage | 14.4 Volts |
| Minimum Supply Voltage | 14 Volts (DC) |
| Mounting Type | Surface Mount |
| Number of Channels | 4 |
| Output Power | 400 Watts |
| Product Dimensions | 7.9 x 4.64 x 1.65 inches |
| UPC | 739189979165 |
| Voltage | 14.4 Volts |
| Warranty | 2 year limited warranty |

## Product Details

- **Item dimensions L x W x H:** 20.1 x 11.8 x 4.2 centimetres
- **Voltage:** 14.4 Volts
- **Manufacturer:** Skar Audio
- **Maximum supply voltage:** 14.4 Volts
- **Minimum supply voltage:** 14 Volts (DC)

## Images

![SK-M4004D Compact Full-Range 400W RMS Class D MOSFET 4 Channel Car Amplifier - Image 1](https://m.media-amazon.com/images/I/61npvuKc0ML.jpg)

## Available Options

This product comes in different **Size Name** options.

## Questions & Answers

**Q: Can u run 8  speakers on this?**
A: Yes you can. Two speakers per channel in parallel but make sure that the impedence of each speaker is 4 ohms or more because the minimum impedence that this amp can work in a stable condition is 2 ohms. Also keep in mind that each speaker will get around 100-115 watts.

**Q: Can I use this amp to run my subs and tweets since it a four channel amp**
A: I wouldn't recommend it

**Q: I have ix 8 d2 sub, what amp should I get for it?**
A: You can run a Skar RP 350.1

**Q: Can i hook up tweeters, two front 90w rms and two 45w rms speakers to this?**
A: I have tweeters on mine with 2 6.5s running in HPF.

## Frequently Bought Together

- Skar Audio SK-M4004D Compact Full-Range Class D 4 Channel Car Amplifier, 400W
- Skar Audio 4 Gauge OFC Complete Amplifier Installation Wiring Kit, SKAR4ANL-OFC
- Skar Audio RP-1200.1D Monoblock Class D MOSFET Amplifier with Remote Subwoofer Level Control, 1200W

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-10*