
DS18 HYDRO Nano Class D Marine Monoblock Amplifier
September 2, 2026
DS18 HYDRO 4-Channel Class D Marine Amplifier
September 2, 2026$34,800.00 Original price was: $34,800.00.$34,000.00Current price is: $34,000.00.
Ultra-compact IP67 Class D 4-channel marine amplifier delivering up to 4 × 150W RMS at 2Ω, with selectable crossovers, advanced protection, and rugged waterproof construction for marine and powersports audio systems.
Stock: available
DS18 HYDRO NXL-N4 Nano Class D 4-Channel Marine Amplifier
Overview
The DS18 HYDRO NXL-N4 is an ultra-compact Class D 4-channel marine amplifier engineered to deliver high-output, full-range audio for boats, motorcycles, UTVs, ATVs, golf carts, and other powersports vehicles. With up to 150W RMS per channel at 2Ω and 300W RMS bridged, it provides exceptional performance while requiring minimal installation space. Its IP67 waterproof construction makes it ideal for harsh marine and outdoor environments.
Built with a 4-layer PCB, aluminum chassis, and advanced protection circuitry, the NXL-N4 ensures reliable operation under demanding conditions. It features selectable High-Pass, Low-Pass, or Full-Range crossovers, making it suitable for powering marine speakers or compact full-range audio systems.
Main Features
- Ultra-compact Class D 4-channel marine amplifier
- 1800W Peak Power
- 4 × 100W RMS @ 4Ω
- 4 × 150W RMS @ 2Ω
- 2 × 300W RMS @ 4Ω Bridged
- IP67 waterproof construction
- Selectable HPF / LPF / FULL crossover
- Variable crossover (40–500 Hz)
- Ultra-compact aluminum chassis
- Stable 2Ω stereo operation
- Advanced thermal, overload, short-circuit and voltage protection
Specifications
| Specification | Value |
|---|---|
| Brand | DS18 |
| Series | HYDRO NXL |
| Model | NXL-N4 |
| Part Number | NXL-N4 |
| Product Type | 4-Channel Marine Amplifier |
| Amplifier Class | Class D |
| Channels | 4 |
| Peak Power | 1800 W |
| RMS Power @ 4Ω | 4 × 100 W |
| RMS Power @ 2Ω | 4 × 150 W |
| RMS Power @ 4Ω Bridged | 2 × 300 W |
| Frequency Response | 20 Hz – 20 kHz |
| Signal-to-Noise Ratio | 90 dB |
| Total Harmonic Distortion (THD) | 0.1% |
| Input Sensitivity | 200 mV – 5 V |
| Selectable Crossover | HPF / LPF / FULL |
| Crossover Range | 40 – 500 Hz |
| Minimum Impedance | 2Ω Stereo / 4Ω Bridged |
| Power Input | 10 AWG OFC |
| Fuse Rating | 25 A |
| LED Indicators | Power / Protection |
| Waterproof Rating | IP67 |
| Protection Circuits | Thermal, Overload, DC Output, Short Circuit & Over Voltage |
| Chassis Material | Aluminum |
| Dimensions (L × W × H) | 200 × 93.4 × 39.8 mm (7.87″ × 3.67″ × 1.56″) |
| Weight | 1.3 kg (2.8 lb) |
Package Contents
- 1 × DS18 HYDRO NXL-N4 4-Channel Marine Amplifier
- Mounting hardware
- User manual
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