Description
DS18 NXL-X850.4D
The NXL-X850.4D is a 4-channel Class D amplifier engineered for high-performance audio in automotive, marine, and powersports environments. Built with a rugged, compact chassis and IP67-rated waterproof and dustproof protection, it delivers powerful, clear sound with minimal distortion. Ideal for cars, boats, UTVs, ATVs, and custom audio installations, the amplifier ensures consistent performance even in demanding outdoor conditions.
Specifications
| Specification | Details |
|---|---|
| SKU | NXL-X850.4D |
| Total Watts (Peak) | 2400W |
| RMS Power @ 4Ω | 4 × 200W |
| RMS Power @ 2Ω | 4 × 300W |
| RMS Power @ 4Ω (Bridge) | 2 × 600W |
AUDIO
| Specification | Details |
|---|---|
| Frequency Response | 10Hz – 20KHz |
| Signal-to-Noise Ratio (1W @ 4Ω) | >83dB |
| Efficiency @ 4Ω | 83% |
| Input Impedance | 20KΩ |
| 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
| Specification | Details |
|---|---|
| Amplifier Class | Digital |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 |
| Minimum Impedance | 2Ω (Stereo) / 4Ω (Bridge) |
| LED Indicators | Power / Protection / Clip |
| Power Input Size | 8GA Tinned OFC |
| Fuse Size | 2 × 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
| Specification | Details |
|---|---|
| Channels Input Selector | Yes |
| RCA Audio Output | Yes |
| Water Resistant 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 |
MEASUREMENT
| Specification | Details |
|---|---|
| Overall Length | 11.8 in / 301 mm |
| Overall Width | 4.4 in / 112 mm |
| Overall Height | 1.77 in / 45 mm |
| Heatsink Length | 10.2 in / 261 mm |
| Gross Single Unit Weight | 2.4 kg |
Product Overview
4 Channel Marine Waterproof Amplifier Class D 200W x 4CH @ 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.
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