---
product_id: 602983891
title: "SounDigital Amplifier (400W 4 Channels)"
brand: "soundigital"
price: "$249.62"
currency: USD
in_stock: true
reviews_count: 5
category: "Soun Digital"
url: https://www.desertcart.us/products/602983891-soundigital-amplifier-400w-4-channels
store_origin: US
region: United States of America
---

# 400W peak power output Compact 11x11x5 cm design 4 versatile audio channels SounDigital Amplifier (400W 4 Channels)

**Brand:** soundigital
**Price:** $249.62
**Availability:** ✅ In Stock

## Summary

> 🔊 Elevate your ride with power and precision—don’t just listen, experience sound!

## Quick Answers

- **What is this?** SounDigital Amplifier (400W 4 Channels) by soundigital
- **How much does it cost?** $249.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/602983891-soundigital-amplifier-400w-4-channels)

## Best For

- soundigital enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Compact:** Small footprint fits seamlessly into any vehicle without sacrificing power or durability.
- • **Powerhouse Performance:** Delivers up to 400W RMS for crystal-clear, room-filling sound that commands attention.
- • **Precision Audio Control:** Built-in high and low pass crossovers let you fine-tune your sound with professional-grade clarity.
- • **Quad-Channel Flexibility:** Supports multiple speaker setups—perfect for customizing your car audio experience.
- • **Efficiency Meets Endurance:** 82% efficiency and robust 20A fuse rating ensure reliable, long-lasting performance on every drive.

## Overview

The SounDigital 400.4 EVO 4.0 is a compact, high-efficiency Class D car amplifier delivering 400W RMS across four channels. Engineered for versatile speaker configurations, it features advanced crossover controls, a durable design, and operates efficiently between 8V and 16V, making it a top choice for audiophiles seeking powerful, customizable in-car sound.

## Description

SounDigital Brasilian Amplifiers In absolute preview NEW EVO 4.0 LINE The brand new EVO 4.0 line is the latest born from SounDigital the world's number one manufacturer of Class D Amplifiers. Extremely small size, small footprint and great power!! Main Specifications 400.4 EVO 4.0 Amplifier Type 4 Channel Class D Output Power 2Ω 12.6V 4x100 Watts RMS - 14.4V: 4x125 Watts RMS 4x66 Watts RMS on 4Ω 4x74 Watts RMS on 4Ω 14.4V 2x200 watt Rms 4 Ω Bridge Crossover HPF 80Hz 12dB /8ª Crossover LPF 80Hz 12dB /8ª Dimensions 109 mm x 113 x 50 mm Frequency Response 10 Hz - 20000 Hz Total Efficiency: 82% Damping Factor: 200 SNR: 88dB THD + + + N (10% Rated Power): 0.1% Operating voltage: 8V to 16V Max consumption: 39A Recommended fuse (Music): 20A Min consumption: 0.5A

Review: Muito bom - Produto bom uso bastante
Review: Sd400.4 - Fonctionne correctement super ampli

## Features

- 400W total power output
- Four channels for versatile speaker configurations
- SounDigital car audio amplifier
- Compact and durable design
- Supports various speaker configurations

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09BZ8PNVR |
| Best Sellers Rank | #664,565 in Electronics ( See Top 100 in Electronics ) #41 in Car Multichannel Amplifiers |
| Brand Name | SounDigital |
| Country of Origin | USA |
| Customer Reviews | 4.5 out of 5 stars 345 Reviews |
| Included Components | 1 |
| Item Dimensions | 11 x 11 x 5 Centimeters |
| Item dimensions L x W x H | 11 x 11 x 5 Centimeters |
| Manufacturer | SounDigital |
| Material Type | Electronic Components |
| Maximum Supply Voltage | 16 Volts (DC) |
| Minimum Supply Voltage | 8 Volts |
| Model Number | 400.4 EVO 4.0 |
| Mounting Type | Speaker |
| Number of Channels | 4 |
| Output Power | 500 Watts |
| Package Type Name | Box |
| Part Number | SD 400.4 EVO 4.0 |
| Specification Met | FCC |
| Supply Current | 39 Amps |
| Voltage | 8 Volts (DC) |

## Product Details

- **Item dimensions L x W x H:** 11 x 11 x 5 Centimeters
- **Manufacturer:** SounDigital
- **Maximum Supply Voltage:** 16 Volts (DC)
- **Minimum Supply Voltage:** 8 Volts
- **Voltage:** 8 Volts (DC)

## Images

![SounDigital Amplifier (400W 4 Channels) - Image 1](https://m.media-amazon.com/images/I/613oOlkCG6L.jpg)
![SounDigital Amplifier (400W 4 Channels) - Image 2](https://m.media-amazon.com/images/I/51SY8yXDZvL.jpg)
![SounDigital Amplifier (400W 4 Channels) - Image 3](https://m.media-amazon.com/images/I/51qjRfOdr2L.jpg)

## Questions & Answers

**Q: Can i run 6 speakers to this that qre 4 ohm a piece?**
A: Yes, 2 speakers per channel

**Q: Can you run 2 channels mid and another channel for sub**
A: I wouldnt recommend that. Seperate amp for a sub, or bigger amp.

**Q: Can you say the rms ,ohm and operating voltage for this amp?**
A: sorry I don't know because the Amp didn't work as I got it and the company wouldn't make it right

## Customer Reviews

### ⭐⭐⭐⭐⭐ Muito bom
*by A***O on 19 October 2025*

Produto bom uso bastante

### ⭐⭐⭐⭐⭐ Sd400.4
*by P***5 on 19 October 2024*

Fonctionne correctement super ampli

### ⭐⭐⭐⭐⭐ Muy compacto
*by J***O on 31 July 2025*

Muy potente y compacto me gustó trabajando diario ya por medio año

## Frequently Bought Together

- SounDigital Amplifier (400W 4 Channels)
- DteeDck RCA Splitter 1 Female to 2 Male, 2 Pack - RCA Audio Video Cable Splitter Adapter, Dark Blue
- SounDigital - Car Full Range Amplifier 800 - 4 Channels 800 Watts RMS 4 Ohm - Compact Size - Professional Quality - 2025 Best Performance Award

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-24*