Description

DS18 NXL-N4
The DS18 NXL-N4 is a 4-channel full-range Class D marine and powersports amplifier from the Hydro-Nano series, engineered for rugged outdoor environments like boats, UTVs, ATVs, motorcycles, and more. It delivers reliable power in a compact, waterproof IP67-rated chassis, making it ideal for powering multiple speakers or driving a multi-zone audio setup with clarity and efficiency. The built-in selectable crossover lets you tailor the amp for different speaker types and configurations, and the compact design simplifies installation in tight spaces.
Specifications
| Specification | Details |
|---|---|
| SKU | NXL-N4 |
| Total Watts (Peak) | 1800W |
| RMS Power @ 4Ω | 4 × 100W |
| RMS Power @ 2Ω | 4 × 150W |
| RMS Power @ 4Ω (Bridge) | 2 × 300W |
AUDIO
| Specification | Details |
|---|---|
| Frequency Response | 20Hz – 20KHz |
| Signal to Noise Ratio (1W @ 4Ω) | 90dB |
| Total Harmonic Distortion (THD) | 0.1% |
| Low Level Input Range | 200mV – 5V |
| Selectable X-Over | HPF / LPF / FULL |
| X-Over Filter Range | 40 – 500Hz |
| Bass Boost | No |
| Infrasonic Filter | No |
FEATURES 1
| Specification | Details |
|---|---|
| Amplifier Class | Digital |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 |
| Minimum Impedance | 2Ω (Stereo) / 4Ω (Bridge) |
| LED Indicator | Power / Protection |
| Power Input Size | Wired 10Ga OFC |
| Fuse Size | 25A |
| Thermal Protection | Yes |
FEATURES 2
| Specification | Details |
|---|---|
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes (>15V) |
| Body Color | Aluminum Black and Red |
| Waterproof Rating | IPX67 |
| Full Range Digital Design (IR Platform) | Yes |
| Ultra Compact Design | Yes |
| PCB Design | Stable and Reliable 4-Layer Layout |
| Quality Control Verification | AP Instruments |
MEASUREMENT
| Specification | Details |
|---|---|
| Overall Length | 7.87 in / 200 mm |
| Overall Width | 3.67 in / 93.4 mm |
| Overall Height | 1.56 in / 39.8 mm |
| Heatsink Length | 7.16 in / 182 mm |
| Gross Single Unit Weight | 2.8 lb / 1.3 kg |
| Product Weight | 3 lb |
| Product Dimensions | 10.25 × 5 × 3 in |
| Master Carton Weight | 28 lb |
| Master Carton Dimensions | 16 × 11 × 10.75 in |
| Master Carton Quantity | 10 |
| Sold In | Piece |
Product Overview
Nano Full-Range Digital Marine 4-Channel Amplifier 4 x 100W @ 4-Ohm RMS
DS18’s NXL-N4 is the ultimate power solution for audio enthusiasts on the move. Whether you’re hitting the open road on your bike, tearing through rough trails on your side by side, or cruising the open waters, this waterproof rated amp delivers exceptional performance in a compact package.
DS18’s NXL-N4 is designed to power your entire system with efficiency and precision. With a 4-channel configuration these amplifiers provide versatility for all your speaker setups. Thanks to the full range capability of this amplifier, you can run them on subs, mids, or tweeters.
Built with a stable and reliable 4-layer PCB layout design, the NXL-N4 ensure consistent performance even in challenging conditions. Rated IP67 for powersports applications, they are fully waterproof and ready to withstand the harshest environments. Plus, their ultra-compact size makes installation a breeze, fitting seamlessly into any setup.
The selectable X-Over feature allows you to customize your audio experience with options like LPF (Low Pass Filter), FULL range, and HPF (High Pass Filter), giving you full control over your sound.
Featuring a max power of 1800W and a frequency response of 20Hz – 20KHz, this amplifier delivers rich and immersive sound across all frequencies. With 4 x 150W of RMS power at 2 Ohms and 4 x 100W of RMS power at 4 Ohms, you can enjoy crystal-clear audio with plenty of volume.
Experience the DS18 difference with DS18’s NXL-N4 Full-Range 4-Channel Marine Amplifier.




























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