---
product_id: 613713252
title: "SA 400.4"
brand: "soundfy"
price: "S$211"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/613713252-sa-400-4
store_origin: SG
region: Singapore
---

# Class D Efficiency 400W RMS Power 2Ω Stability SA 400.4

**Brand:** soundfy
**Price:** S$211
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate Your Ride with Soundfy!

## Quick Answers

- **What is this?** SA 400.4 by soundfy
- **How much does it cost?** S$211 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/613713252-sa-400-4)

## 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 construction with MOSFET power supply and short-circuit protection ensures your amplifier stands the test of time.
- • **Tailored Audio Experience:** Fine-tune your music with precise crossover controls for crisp highs and deep lows, no matter your genre.
- • **Compact Design, Big Impact:** Sleek Class D technology ensures easy installation without compromising on performance or space.
- • **Unleash the Power of Sound:** Transform your driving experience with 400 Watts RMS across four channels for an audio journey like no other.
- • **Stable & Reliable Performance:** 2Ω stable operation means you can run speakers and subwoofers without a hitch, delivering consistent sound quality.

## Overview

The Soundfy SA 400.4 is a high-powered car amplifier delivering 400 Watts RMS across four channels, designed for compact spaces with advanced Class D technology. It features 2Ω stable operation, precise crossover controls, and a durable build with safety features, ensuring a reliable and immersive audio experience.

## Description

SA 400.4

## 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

- **Manufacturer:** Soundfy
- **Mounting type:** Surface Mount
- **Brand:** Soundfy
- **Number of channels:** 4

## Images

![SA 400.4 - Image 1](https://m.media-amazon.com/images/I/71zO8HTRuCL.jpg)
![SA 400.4 - Image 2](https://m.media-amazon.com/images/I/8154m-fDgnL.jpg)
![SA 400.4 - Image 3](https://m.media-amazon.com/images/I/81rd60tOkSL.jpg)
![SA 400.4 - Image 4](https://m.media-amazon.com/images/I/71F1irNuePL.jpg)
![SA 400.4 - Image 5](https://m.media-amazon.com/images/I/71F1irNuePL.jpg)

## Frequently Bought Together

- Soundfy 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
- DteeDck RCA Splitter 1 Female to 2 Male, 2 Pack - RCA Audio Video Cable Splitter Adapter, Dark Blue
- 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.sg/products/613713252-sa-400-4](https://www.desertcart.sg/products/613713252-sa-400-4)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-23*