DS18 NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-Ohm
DS18’s NXL-X850.4D is a powerhouse designed by DS18 for those seeking exceptional power output and enhanced sound performance.
With its 4-channel configuration, the NXL-X850.4D is perfect for powering a set of speakers or bridging the power to supercharge a subwoofer, offering versatile options for customization. The high pass and low pass filters allow precise tuning, ensuring crystal clarity at any volume level for an unparalleled audio experience.
The NXL-X850.4D has an IP67 waterproof rating, making it ideal for marine environments and outdoor adventures. Whether you're hitting the trails or cruising on the lake, the NXL series will withstand UV rays, saltwater exposure, and foggy conditions without compromising on performance.
The DS18 HYDRO NXL-X850.4D delivers a maximum output of 2400W, with 600W x 2CH bridged at 4-Ohms, 200W x 4CH at 4-Ohms, and 300W x 4CH at 2-Ohms, ensuring a powerful and immersive sound experience. 
Installation is a breeze thanks to the ultra-compact size and direct power harness design with marine-grade OFC tinned wires. DS18's latest digital amplifier design with SMC technology guarantees top-notch audio quality, while the included marine-grade fuse and fuse holder provide ultimate protection against the elements.
Experience enhanced sound quality and power with DS18’s NXL-X850.4D!
Features:
- Marine Full Range
 - 4 Channel
 - x4 200 Watts @ 4 Ohm
 - Built in Crossover
 - Class D
 - Water Resistant IP67
 
Fits:
- 2015+ Polaris Slingshot
 
Specs:
SKU 
NXL-X850.4D
Total Watts (Peak) 
2400W
RMS Power @ 4 ohm 
4 x 200W
RMS Power @ 2 ohm 
4 x 300W
RMS Power @ 4 ohm Bridge 
2 x 600W
Audio:
Frequency Response 
10Hz-20KHz
Signal to Noise Ratio 1W@4? 
> 83dB
Efficiency @ 4ohm 
83%
Input Impedance 
20K?
Channel Separation 
60dB
Total Harmonic Distortion (THD) 
< 0.04%
Low Level Input Range 
200mV-5V
Selectable X-Over 
Yes (HPF/Full/LPF)
X-Over Filter Range 
40Hz-2KHz
Bass Boost Range 
N/A
Bass Boost Frequency 
N/A
Infrasonic Filter 
No
Phase Selector 
No
Features 1:
Amplifier Class 
Digital
Amplifier Type 
Stereo Full Range
Number of Channels 
4
Minimum Impedance 
2 Ohm (Stereo) / 4 Ohm (Bridge)
Led Indicators 
Power / Protection / Clip
Power Input Size 
8GA Tinned OFC
Fuse Size 
2 x 50A (100A)
Thermal Protection 
Yes (78?C)
Over-Load Protection 
Yes
Short Circuit Output Protection 
Yes
Voltage Input Protection 
Yes (7-16V)
Body Color / Finish 
Black Brushed Aluminum
Extra Features:
Channels Input Selector 
Yes
RCA Audio Output 
Yes
Waterproof Rating 
IP67
UV / Salt Fog Protection 
Yes
Power Direct Harness Design 
Yes
Quick Connect Plug 
Yes
Surface Mount Component Technology 
Yes
Marine Grade Fuse Holder 
Yes
Size:
Overall Length 
11.8" / 301mm
Overall Wide 
4.4" / 112mm
Overall Height 
1.77" / 45mm
Heatsink Length 
10.2" / 261mm
Gross Single Unit Weight 
2.4kg
