---
product_id: 607918899
title: "SA 400.4 4-Channel Digital Car Audio Amplifier, 400W RMS 2 Ohms Stable, Compact Class D Multi-Channel Amp with Crossover & MOSFET Power Supply, Full-Range Sound Quality"
brand: "soundfy"
price: "KD 30.85"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/607918899-sa-400-4-4-channel-digital-car-audio-amplifier-400w
store_origin: KW
region: Kuwait
---

# 2Ω Stability 400W RMS Power Custom Crossover Control SA 400.4 4-Channel Digital Car Audio Amplifier, 400W RMS 2 Ohms Stable, Compact Class D Multi-Channel Amp with Crossover & MOSFET Power Supply, Full-Range Sound Quality

**Brand:** soundfy
**Price:** KD 30.85
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate Your Drive with Soundfy!

## Quick Answers

- **What is this?** SA 400.4 4-Channel Digital Car Audio Amplifier, 400W RMS 2 Ohms Stable, Compact Class D Multi-Channel Amp with Crossover & MOSFET Power Supply, Full-Range Sound Quality by soundfy
- **How much does it cost?** KD 30.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/607918899-sa-400-4-4-channel-digital-car-audio-amplifier-400w)

## Best For

- soundfy enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable MOSFET power supply and short-circuit protection ensure your amplifier is as tough as your adventures.
- • **Stable & Reliable:** 2Ω stable operation allows for seamless integration of speakers and subwoofers, delivering consistent sound quality.
- • **Unleash the Power:** Transform your ride with 400 Watts RMS across four channels for an audio experience that drowns out road noise.
- • **Compact & Efficient:** Sleek Class D design ensures easy installation in tight spaces without compromising on performance.
- • **Tailored Sound Experience:** Precise crossover controls let you customize your audio output for crisp highs and deep lows, no matter the genre.

## Overview

The Soundfy SA 400.4 is a high-powered 4-channel digital car audio amplifier delivering 400W RMS at 2 Ohms. Its compact Class D design allows for easy installation while providing superior sound quality with customizable crossover controls. Built with durability in mind, it features a MOSFET power supply and safety mechanisms for long-term reliability.

## Description

SA 400.4 4-Channel Digital Car Audio Amplifier, 400W RMS 2 Ohms Stable, Compact Class D Multi-Channel Amp with Crossover & MOSFET Power Supply, Full-Range Sound Quality

## Features

- High-Powered Sound & Clear Output: Elevate your car stereo with 400 Watts RMS across four channels, giving you louder, cleaner audio to combat road noise. Whether you’re pumping bass or clarifying vocals, the Soundfy SA 400.4 ensures a more immersive ride.
- Compact & Sleek Class D Design: Designed for easy installation in tight spaces, this mini amplifier features advanced Class D technology that reduces heat and distortion—giving you powerful performance without bulky equipment.
- Reliable 2Ω Stable Operation: Experience consistent power with a 2-ohm stable setup. Perfect for running both speakers and subwoofers, it efficiently handles varied car or motorcycle audio configurations without sacrificing sound quality.
- Precise Crossover Controls: Tweak your system’s output for optimal clarity. Built-in LPF & HPF settings let you customize full-range audio or isolate specific frequencies, ensuring crisp highs and punchy lows in every genre of music.
- Durable Build & Safety Features: Equipped with MOSFET power supply and built-in short-circuit protection, the SA 400.4 amps up reliability for long-term use. Enjoy the confidence of a robust, heat-managing amplifier that keeps your setup safe and your music sounding great.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Soundfy |
| Mounting Type | Surface Mount |
| Brand | Soundfy |
| Number of Channels | 4 |
| Output Power | 4E+2 Watts |
| Package Type Name | Box |
| Material | Plastic, Metal |
| Item Weight | 1.08 pounds |
| Package Dimensions | 5.67 x 4.37 x 2.2 inches |
| Country of Origin | China |
| Item model number | SA 400 |
| Warranty | Limited |

## Product Details

- **Item dimensions L x W x H:** 2.2 x 4.37 x 5.67 inches
- **Manufacturer:** Soundfy
- **Maximum Supply Voltage:** 12 Volts (DC)
- **Minimum Supply Voltage:** 12 Volts (DC)
- **Mounting Type:** Surface Mount

## Images

![SA 400.4 4-Channel Digital Car Audio Amplifier, 400W RMS 2 Ohms Stable, Compact Class D Multi-Channel Amp with Crossover & MOSFET Power Supply, Full-Range Sound Quality - Image 1](https://m.media-amazon.com/images/I/71zO8HTRuCL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.com.kw/products/607918899-sa-400-4-4-channel-digital-car-audio-amplifier-400w](https://www.desertcart.com.kw/products/607918899-sa-400-4-4-channel-digital-car-audio-amplifier-400w)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-06*