DS18 NXL-M4 Full Range 4-Channel IP55 Marine Grade Amplifier 4 X 150 Watts @ 4 Ohm

Designed for intense sessions that keep the party boat rocking; the NXL-M4 is DS18’s newest high-quality, powerful amplifier for the marine or powersport enthusiast looking for big sound with a small footprint!

As a Class D Digital amplifier, the NXL-M4 uses direct insert speaker and power terminals significantly smaller than your average amplifier, making it the perfect size for any vehicle’s custom build: but, what it lacks in size it makes up for in power.

The NXL-M4 handles 150W x 4CH @ 4 Ohms; 230W x 4CH @ 2 Ohms; and 440W x 2CH @ 4 Ohms Bridge of RMS Power and 1800W Peak Power.

Get clean, well defined sound for with enough features (Fully Variable Bass Boost, Low Pass Filter, and High Pass Filter) to tune your music perfectly for optimal audio enjoyment! This full range amplifier handles all speakers insanely well and has the features to make sure they play the way you want them to!

This amplifier is tough enough to stand up to the worst the waves throw at you! All controls are guarded by high strength front covers that guarantee impenetrable defense against the elements; coated 4 layer PCB helps prevent corrosion caused by salt water; and Voltage, Thermal, and Short Circuit Protection for easy monitoring of your power levels.

Order the NXL-M4 for insane power out on the water!

Highlights

Hardware resistant to corrosion and UV Protection
Coated 4 Layers PCB to prevent corrosion
IP55 Water Resistance Grade
High Level Input For Easy Factory Integration
Front cover to keep the controls safe to the elements
LED Clip Indicator to easier adjustment
Stable and Reliable Class D Circuit Design
Sound Quality Verification Using AP Instruments
Direct Insert Power and Speaker Terminals
Short Circuit, Thermal, and Voltage Protection
4 channel input / 2 channel output

Great For

Marine Audio
Jeep Audio
ATV Audio
Powersports Audio

Technical Details

Download NXL-M4 Product Manual

SPECIFICATIONS
POWER
Total Watts (Peak)	1800W
RMS Power @ 4 ohm	4 x 150W
RMS Power @ 2 ohm	4 x 230W
RMS Power @ 4 ohm Bridge	2 x 440W
AUDIO
Frequency Response	20Hz - 20KHz
Signal to Noise Ratio	>90dB
Efficiency @ 4ohm	>97%
Channel Separation	>55dB
Total Harmonic Distortion (THD)	<0.15%
Low Level Input Range	0.2V-6V
High Level Input	Yes: ≥5V
Selectable X-Over	HPF/LPF/FULL
X-Over Filter Range	40Hz - 2KHz
Bass Boost Range	0-12dB
Bass Boost Frequency	45Hz ±5Hz
Phase Selector	No
FEATURES
Amplifier Class	Digital (D)
Amplifier Type	Stereo Full Range
Number of Channels	4 Channels
Minimum Impedance	2 ohm (Stereo) / 4 ohm (Bridge)
Led Indicator	Clipping / Protect / Power
Power Input Terminal Size	4 Ga
Fuse Size	70A (2x35A)
Thermal Protection	Yes
Over-Load Protection	Yes
DC Output Protection	Yes
Short Circuit Output Protection	Yes
Voltage Input Protection	Yes
Clipping Protection	Yes
Body Color / Finish	Gray+White / Aluminum+ABS
Extra Features
Water Resistant Rated	Yes, IP55 (Water Splashing)
PCB Layout Design	4 Layers / Coated
RCA Output	Yes, 2 CH (Left / Right)
UV Compliant	Yes, UV Protected and PCB Coated
Input Sum Selector	Yes, 2Ch or 4Ch Input Mode
Tiffany Style RCA	Yes
High Level Input	Yes, 4ch Speaker level
Stainless Steel Hardware	Yes, (Screws)
Potenciometers	High Quality Metal Knob
Remote Level Control	No
Measurement
Overall Length	9.6" / 245mm
Overall Wide	4.5" / 116mm
Overall Height	1.7" / 43mm
Heatsink Length	8.6" / 220mm