---
product_id: 345165733
title: "S4-100 Multiple Channel Amplifier – Class D Multi Channel Amplifier – 100 Watts (RMS) 4 Channel Amp – 2 Ohm Stable 4-Channel Car Amplifier- Car Audio Amp w/Secure Connections"
brand: "sound q qubed"
price: "₩1933941"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/345165733-s4-100-multiple-channel-amplifier-class-d-multi-channel-amplifier
store_origin: KR
region: South Korea
---

# 100W RMS per channel @ 4Ω 4-channel output with 2Ω stability Adjustable high/low/band pass crossovers S4-100 Multiple Channel Amplifier – Class D Multi Channel Amplifier – 100 Watts (RMS) 4 Channel Amp – 2 Ohm Stable 4-Channel Car Amplifier- Car Audio Amp w/Secure Connections

**Brand:** sound q qubed
**Price:** ₩1933941
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your drive with sound that commands attention!

## Quick Answers

- **What is this?** S4-100 Multiple Channel Amplifier – Class D Multi Channel Amplifier – 100 Watts (RMS) 4 Channel Amp – 2 Ohm Stable 4-Channel Car Amplifier- Car Audio Amp w/Secure Connections by sound q qubed
- **How much does it cost?** ₩1933941 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/345165733-s4-100-multiple-channel-amplifier-class-d-multi-channel-amplifier)

## Best For

- sound q qubed enthusiasts

## Why This Product

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

## Key Features

- • **Compact Yet Mighty:** Space-saving design fits seamlessly in your car without sacrificing power or performance.
- • **Tailored Audio Tuning:** Adjustable crossovers let you customize frequencies for subs, mids, and tweeters—perfect sound, every time.
- • **Plug & Play Installation:** User-friendly set screw terminals and surface-mount feet make setup quick and secure—even for first-timers.
- • **Reliable Legacy of Sound:** Backed by nearly 20 years of innovation and support from Audioque, ensuring durability and expert guidance.
- • **Power Your Ride with Precision:** Delivers up to 175W RMS per channel at 2Ω for crystal-clear, powerful sound.

## Overview

The SOUND Q QUBED S4-100 is a high-efficiency Class D 4-channel car amplifier delivering up to 175 Watts RMS per channel at 2 Ohms and 100 Watts RMS at 4 Ohms. Featuring adjustable high, low, and band pass crossovers, it offers precise tuning for subwoofers, component, and coaxial speakers. Its compact design and easy installation make it ideal for both daily drivers and competition builds, backed by nearly two decades of Audioque’s trusted innovation.

## Description

SOUND Q QUBED S4-100 Multiple Channel Amplifier – Class D Multi Channel Amplifier – 100 Watts (RMS) 4 Channel Amp – 2 Ohm Stable 4-Channel Car Amplifier- Car Audio Amp w/Secure Connections

## Features

- VERSATILE MULTI-CHANNEL POWER AMPLIFIER: The S4-100 is a high efficiency multi-channel class D amplifier car audio buffs love for daily driver and competition builds alike. Adjustable high pass, low pass, and band pass crossovers let you dial in tuning for subwoofers, component speakers, as well as coaxials from a compact footprint. The S4-100 can output 375 Watts RMS @ 4 Ohm on two channels for multi-speaker door builds.
- Easy Install, even for Dummies: Set screw terminals connect easily to 4 AWG power/ground wire, and 10 AWGspeaker wire. Surface-mount feet make securely mounting the S4-100 fourchannel amplifier a cinch. The S4-100’s compact form gives you many options for mounting to save much needed space in your daily driver. To get everything you need for installation, check out the SoundQubed 4 AWG amplifier wiring kit (not included).
- NO ELECTRICAL UPGRADES NEEDED: The S4-100 is the perfectmulti channel ampto power a basic “door-swap” upgrade.With a full-range frequency response from 10 Hz to 40 kHz, it provides the extra oomph needed to push aftermarket component and coaxial door speakers without taxing your factory charging system. This class D amplifier puts out up to 175 WattsRMS per channel in stereo on four channels @ 2 Ohm and 100 Watts RMS per channel in stereo on four channels @ 4 Ohm.
- Adjustable Crossovers for fine tuning:Sending the wrong frequencies to a speaker can cause poor sound quality and damage speakers. To avoid this, crossover filtering is key to multi channel amplifier car audio applications.The S4-100 includes a high pass filter to stop low frequencies from going to tweeters. The lowpass filtering gives you the option to power a small sub stage without mids and highs. For the midrange, the S4-100’s band pass crossovers have you covered.
- Our Longevity is Your Advantage: Established in 2002 as Audioque (AQ), we have nearly 20 years of innovation behind our products. We focus on getting high-quality products into the hands of DIY audio enthusiasts at affordable prices. Our team members provide the education and service after the sell to help you shape your car audio experience with confidence.

## Product Details

- **Item dimensions L x W x H:** 20 x 19.7 x 5.7 centimeters
- **Voltage:** 14.4 Volts, 12 Volts
- **Manufacturer:** SoundQubed
- **Mounting type:** Surface Mount
- **Brand:** SOUND Q QUBED

## Images

![S4-100 Multiple Channel Amplifier – Class D Multi Channel Amplifier – 100 Watts (RMS) 4 Channel Amp – 2 Ohm Stable 4-Channel Car Amplifier- Car Audio Amp w/Secure Connections - Image 1](https://m.media-amazon.com/images/I/61ARq5ZkzpS.jpg)

## Frequently Bought Together

- SoundQubed S4-100 Multi Channel Amplifier - 100W (RMS) 4-Channel Car Amp - 2 Ohm Stable
- RECOIL RCI217-2 99.99% Oxygen Free Copper 17ft 2-Channel RCA Audio Cable Twisted Pair with Noise Reduction 2 Pack
- RECOIL 20-Feet 9-Conductor Speaker Cable, 18AWG CCA, Ultra-Flex and Easy Peel Jacket, 4-Channel Speaker Wire and Remote Wire

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**Shop now:** [https://www.desertcart.kr/products/345165733-s4-100-multiple-channel-amplifier-class-d-multi-channel-amplifier](https://www.desertcart.kr/products/345165733-s4-100-multiple-channel-amplifier-class-d-multi-channel-amplifier)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-22*