DS18 X4BT Ultra Compact 4-Channel Class D Full-Range Amplifier with Bluetooth – 4 X 70 Watts RMS, 4 Ohm

Massive Power & Clarity
Pro-grade output
Superior Performance
Built to dominate
Advanced Technology
Precision-built
Premium Build Quality
Designed to last
Regular price $349.95 USD
Brand New with Manufacturer Warranty
Authorized Dealer
Free Shipping & Easy Returns
Secure Checkout
Massive Power & Clarity
Pro-grade output
Superior Performance
Built to dominate
Advanced Technology
Precision-built
Premium Build Quality
Designed to last

The DS18 X4BT amplifier is a 4-channel Class D full-range amplifier with Bluetooth 5.1 streaming, designed for compact systems that need clean power and wireless control. It allows direct music streaming from your phone and includes remote level control in a durable, space-saving chassis.

It delivers 4 x 70W RMS @ 4Ω, 4 x 140W RMS @ 2Ω, and 2 x 220W RMS @ 4Ω bridged, making it ideal for powering full front/rear setups or bridged configurations for extra output. Its water-resistant, high-efficiency design is perfect for motorcycles, powersports, marine, and tight-install environments.

Features:

  • Bluetooth 5.1 Streaming Built-In – Play music wirelessly straight from your phone
  • 4-Channel Class D Power – 4×70W RMS @ 4Ω, 4×140W RMS @ 2Ω, or 2×220W bridged
  • Compact, High-Efficiency Design – Big output in a small, low-heat chassis
  • Full Protection Circuitry – Thermal, overload, short-circuit, DC, and voltage protection
  • Motorcycle & Powersports Ready – Water-resistant build for bikes, ATVs, UTVs, and marine

Specifications:

Power

Total Watts (Peak)
1320W
RMS Power @ 4 ohm
4 x 70W
RMS Power @ 2 ohm
4 x 140W
RMS Power @ 4 ohm Bridge
2 x 220W


Audio

Frequency Response
20Hz-20KHz
Signal to Noise Ratio
90dB
Efficiency @ 4ohm
80%
Damping Factor
200
Total Harmonic Distortion (THD)
0.20%
Low Level Input Range
0.2-5V
Selectable X-Over
LPF / FLAT / HPF
X-Over Filter Range
Fixed 80Hz


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
Power Input Terminal Size
8Ga
Fuse Size
25A
Thermal Protection
Yes
Over-Load Protection
Yes
DC Output Protection
Yes
Short Circuit Output Protection
Yes
Voltage Input Protection
Yes
Body Color / Finish
Brushed Black Aluminum
Ultra Compact Size to easy Installation for Any Applications
Yes
Stable / Reliable Four Layers Traces PCB Design with SMC technology
Yes
2 or 4 channel input selector
Yes
Quality Control Verification using Audio Precision Instruments
Yes
Audio input with automatic switching BT or RCA
Yes


Bluetooth Specifications

Version
5.1
Services
A2DP 1.3.1
Bluetooth Name
DS18 X4BT
Range (Up to)
60ft / 18m
Supported Devices
iOS / Android
Audio Codec
SBC / ACC


Measurement

Overall Length
5.54" / 140.8mm
Overall Width
3.24" / 82.4mm
Overall Height
1.37" / 34.8mm
Heatsink Length
4.75" / 120.8mm

UPC: 810199440637

Free shipping is available within the 48 U.S. states. Orders placed before 11 PM ET are typically processed the next business day and arrive within 5–8 business days. Tracking information will be provided as soon as your order ships.

Need to make a change to your order? Contact us within 24 hours of purchase, and we'll be happy to help. Please note that orders already processed for shipment cannot be canceled.

1-Year Limited Warranty: As an authorized dealer, we provide a 1-year limited warranty covering manufacturer defects in materials and workmanship under normal use. The warranty does not cover physical damage, misuse, improper installation, or normal wear and tear.

Customer Support : 9:00 am to 5:00 pm 

Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States

Email: info@eliteautogear.com

Phone: (877)-215-8187

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Premium materials and advanced engineering ensure long-lasting performance in any environment.

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DS18 X4BT Ultra Compact 4-Channel Class D Full-Range Amplifier with Bluetooth – 4 X 70 Watts RMS, 4 Ohm
VERIFIED REVIEWS

Loved by owners

5.0
★★★★★
Verified Reviews
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%
Common themes
Punchy bass · 12 Clean low end · 9 Easy install · 7 Great value · 6 Fast shipping · 11 Solid build · 8
M**I
★★★★★
Excellent Product Quality
"Great packaging and super loud speakers would recommend buying and got delivered fast"
B.
★★★★★
Excellent Product Quality
"Installed Apocalypse 6.5 mids, DS18 tweeters, and Orion 6x9s in my 2014 Dodge Challenger RT — amazing sound! Quality and materials are top-notch. Definitely buying from them again."
werita&chukito3
★★★★★
Excellent Product Quality
"10 de 10 con el envío super rápido espero que si tengan buen sonido estan muy bonitas"
★★★★★
Excellent Product Quality
"Definitely a must can't wait to install all my speakers I would buy from them again I got the apocalypse 6.5 mid range ds18 tweeters 3.5 full range and Orion 6x9 mid range"
★★★★★
Excellent Product Quality
"Me gustó mucho buena calidad Y suena recio como yo pensaba si se las recomiendo buen sonido"
B.
★★★★★
Excellent Product Quality
"The speakers were loud and good"
obs_brycen
★★★★★
Excellent Product Quality
"Great product but it only comes with one tweeter so make sure you buy 2"
s**a
★★★★★
Excellent Product Quality
"Súper buena calidad, buen sonido de voz, y llega en buenas condiciones"
bmtmanuel
★★★★★
Excellent Product Quality
"Received them and they work as i expected"
**l
★★★★★
Excellent Product Quality
"They got here before estimated arrival and are in amazing condition"
M**S
★★★★★
Excellent Product Quality
"Muy buen producto de escucha muy bien"
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