Description
DS18 NXL-M4
The DS18 NXL‑M4 is a 4‑channel Class D marine and powersports amplifier from the Hydro‑Nano series, engineered for rugged outdoor environments including boats, UTVs, ATVs, motorcycles, and more. Featuring an IP67 waterproof rating, conformal‑coated circuitry, and compact design, this amplifier delivers efficient, reliable performance for powering multiple speakers in marine or outdoor audio systems. With selectable crossover modes and bridged‑power capability, the NXL‑M4 is ideal for full‑range speaker arrays, multi‑zone installs, or compact marine audio upgrades.
Specifications
| Specification | Details |
|---|---|
| SKU | NXL-M4 |
| Total Watts (Peak) | 1800W |
| RMS Power @ 4Ω | 4 × 150W |
| RMS Power @ 2Ω | 4 × 230W |
| RMS Power @ 4Ω (Bridge) | 2 × 440W |
AUDIO
| Specification | Details |
|---|---|
| Frequency Response | 20Hz – 20KHz |
| Signal to Noise Ratio (1W @ 4Ω) | >90dB |
| Efficiency @ 4Ω | >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 1
| Specification | Details |
|---|---|
| Amplifier Class | Digital (Class D) |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 Channels |
| Minimum Impedance | 2Ω (Stereo) / 4Ω (Bridge) |
| LED Indicator | Clipping / Protect / Power |
| Power Input Terminal Size | 4 Ga |
| Fuse Size | 70A (2 × 35A) |
FEATURES 2
| Specification | Details |
|---|---|
| Thermal Protection | Yes |
| Over-Load Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes |
| DC Output Protection | Yes |
| Clipping Protection | Yes |
| Body Color / Finish | Gray + White / Aluminum + ABS |
EXTRA FEATURES
| Specification | Details |
|---|---|
| Water Resistant Rating | Yes, IP55 (Water Splashing) |
| PCB Layout Design | 4 Layers / Coated |
| RCA Output | Yes, 2 CH (Left / Right) |
| UV Compliant | Yes, UV Protected & 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) |
| Potentiometers | High-Quality Metal Knob |
| Remote Level Control | No |
MEASUREMENT
| Specification | Details |
|---|---|
| Overall Length | 9.6 in / 245 mm |
| Overall Width | 4.5 in / 116 mm |
| Overall Height | 1.7 in / 43 mm |
| Heatsink Length | 8.6 in / 220 mm |
| Gross Single Unit Weight | 1.45 kg |
| Product Weight | 3.6 lb |
| Product Dimensions | 11.5 × 6.25 × 2.25 in |
| Master Carton Weight | 22.5 lb |
| Master Carton Dimensions | 20.25 × 12 × 7 in |
| Master Carton Quantity | 6 |
| Sold In | Piece |
Product Overview
Full Range 4-Channel IPX5 Marine Grade Amplifier 4 X 150 Watts @ 4 Ohm
Designed to keep the boat party rocking, DS18’s NXL-M4 delivers big sound in a compact water resistant package.
Built to withstand the harshest marine conditions, this amplifier is constructed with high-strength front covers that provide impenetrable defense against the elements. Its coated 4-layer PCB helps prevent corrosion caused by saltwater, ensuring long-lasting durability. Additionally, it offers voltage, thermal, and short circuit protection for easy monitoring of power levels.
Featuring an IP55 water resistance grade and hardware resistant to corrosion and UV damage, this marine amplifier is designed to thrive in challenging environments. The LED clip indicator makes it easier to adjust settings, while the stable and reliable Class D circuit design ensures exceptional sound quality. With direct insert power and speaker terminals, installation is a breeze.
This makes it an ideal choice for custom vehicle builds where space is limited. But don’t be fooled by its small size – this amplifier packs a powerful punch.
The NXL-M4 can handle 150W x 4CH @ 4 Ohms, 230W x 4CH @ 2 Ohms, and 440W x 2CH @ 4 Ohms Bridge, with a peak power of 1800W. You can expect clean and well-defined sound, thanks to its fully variable bass boost, low pass filter, and high pass filter. These features allow you to fine-tune your music for optimal audio enjoyment, ensuring that your speakers perform exactly the way you want them to.
Enhance your sound experience and order the NXL-M2 marine amplifier today!
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