SXE Class D 4-Channel Full-Range Car Amplifier 4 x 275 RMS @4 Ohm 4000 Watts

Name: SXE Class D 4-Channel Full-Range Car Amplifier 4 x 275 RMS @4 Ohm 4000 Watts
Brand: SXE-4000.4D
SKU: SXE-4000.4D/RD
Price: 341.95 USD
Availability: OutOfStock
Rating: 5.0 (12 reviews)

SKU: SXE-4000.4D/RD

SXE Class D 4-Channel Full-Range Car Amplifier 4 x 275 RMS @4 Ohm 4000 Watts

SKU: SXE-4000.4D/RD

$341.95

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Ships Free Next Business Day From Miami, FL, USA

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Key Features
- Full Range Amplifier
- 4 Channel
- Class D
- 2 ~ 4 Ohm Stable
- 4 x 275 Watts @ 4 Ohm
- Compact Design
Technical Data - Manual

DOWNLOAD THE USER MANUAL

Power

Total Watts (Peak)
4000W
RMS Power @ 4 ohm
4 x 275W
RMS Power @ 2 ohm
4 x 430W
RMS Power @ 1 ohm
N/A
RMS Power @ 4 ohm Bridge
2 x 750W

Audio

Frequency Response
10Hz-20KHz
Signal to Noise Ratio
90dB
Efficiency @ 4ohm
86%
Damping Factor
140
Input Impedance
20kΩ
Channel Separation
45dB
Total Harmonic Distortion (THD)
0.05%
Low Level Input Range
200mV-5V
High Level Input
No
Selectable X-Over
HPF/FULL/LPF
X-Over Filter Range
40Hz-2KHz
Bass Boost Range
No
Bass Boost Frequency
No
Infrasonic Filter
No
Phase Selector
No

Features

Amplifier Class
Digital (D)
Amplifier Type
Stereo Full Range
Number of Channels
4
Minimum Impedance
2 Ohm Stereo / 4 Ohm Bridge
LED Indicator
Power/Protect/Clip
Power Input Terminal Size
4Ga
Fuse Size
External fuse
Remote Level Control
No
Cooling Fan
No
Voltmeter
No
Thermal Protection
Yes (80℃)
Over-Load Protection
Yes
DC Output Protection
Yes
Short Circuit Output Protection
Yes
Voltage Input Protection
Yes (16.5v)
Clipping Protection
Yes
Body Color / Finish
Red / Black Brushed Aluminum

Measurement

Overall Length
11" / 279.3mm
Overall Width
5.5" / 140mm
Overall Height
1.8" / 48mm
Heatsink Length
9.5" / 242mm
Gross Single Unit Weight
2.07KG

Extra Features

Compact Size to Easy Installation for Any Applications
Yes
Stable/Reliable Two or Four Layers Traces PCB Design
Yes
Surface Mount Component Technology
Yes
Quality Control Verification using Audio Precision Instruments
Yes
Remote Level Control with Clip Indicator
No

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Product Overview

Product Overview

DS18 SXE-4000.4D

Class D 4-Channel Full-Range Car Amplifier

DS18’s SXE-4000.4D unleashes the full power of your car audio system. With a massive 4000W peak, this beast gives you 750W x 2 bridged at 4 ohms, 430W x 4 at 2 ohms, and 275W x 4 at 4 ohms.

Control Every Frequency
Built with a fully variable crossover and high/low-pass filters at 12dB/octave, the SXE-4000.4D lets you fine-tune your system to match your exact audio taste. Adjust the gain, shape your sound, and make every note count.

Power Anywhere
The compact build makes installation easy in tight spots. Mount it in trunks, under seats, or wherever space is limited. This amp fits like it was meant to be there.

Built to Protect
Packed with thermal, short circuit, and overload protection, the SXE-4000.4D keeps playing even when the ride gets rough. Clipping protection ensures your gear stays safe—no matter how hard you push it.

FAST FREE SHIPPING

30-DAY RETURNS

2 YEAR WARRANTY

SECURE PAYMENT

Este Amplificador para Autos es Excelente produce un Sonido muy nítido y Profesional 100% Feliz

Este amplificador para coches es excelente, produce un Sonido muy nítido muy profesional 100% Feliz

GREAT AMP

This is a great amp for your highs and this is the first ds18 amp I Owen and I am truly happy with it definitely looking forward to doing more business

SXE Class D 4-Channel Full-Range Car Amplifier 4 x 275 RMS @4 Ohm 4000 Watts

Perfect amplifier 100% recomended

Perfect design 100% nice quality
Im very happy with this brand thank you DS18

Great sound

Great loud clear sound I’m very happy with my purchase I got 8- 6.5 300 watts rms for my 6 12’s and it’s more then enough sound

1 2 3

Let customers speak for us

from 3725 reviews

Oh yeah.

There was a break-in time, maybe 15 minutes, but after that they have sounded great, a nice clear bottom to the sound.
Lexus door woofer.

Bob Wucher

07/09/2025

PRO-X 6X9" Mid-Range Bullet Loudspeaker 200 Watts Rms 8-Ohm

Had 1 speaker out of the 4 ordered come damaged. Emailed DS-18 and they sent me a free replacement, great customer service, fast responses. Will definitely be ordering more from them!

Kyle Bethel

07/09/2025