
DS18 HYDRO 4-Channel IP67 Marine Class D Amplifier
September 2, 2026
DS18 HYDRO Class D Marine Monoblock Amplifier
September 2, 2026$70,000.00 Original price was: $70,000.00.$68,500.00Current price is: $68,500.00.
IP67 waterproof 4-channel Class D marine amplifier delivering up to 4 × 300W RMS at 2Ω or 2 × 600W bridged, featuring selectable crossovers, UV and salt-fog protection, and premium marine-grade construction.
Stock: available
DS18 HYDRO NVY-T800.4D 4-Channel Class D Marine Amplifier
Overview
The DS18 HYDRO NVY-T800.4D is a premium 4-channel Class D marine amplifier designed to deliver exceptional power and audio clarity for boats, yachts, UTVs, ATVs, golf carts, motorcycles, and other powersports vehicles. With up to 300W RMS per channel at 2Ω and 600W RMS bridged, it is ideal for powering high-performance marine speakers or bridged subwoofer systems. Its IP67 waterproof construction ensures dependable operation in demanding marine environments.
Built with a rugged brushed aluminum chassis, UV and salt-fog protection, and advanced protection circuitry, the NVY-T800.4D is engineered for long-lasting durability. It features selectable HPF / LPF / Full crossovers, 2CH/4CH input selection, clip indicators, and a direct power harness design for flexible installation and precise system tuning.
Main Features
- 4-channel Class D marine amplifier
- 2400W Peak Power
- 4 × 200W RMS @ 4Ω
- 4 × 300W RMS @ 2Ω
- 2 × 600W RMS @ 4Ω Bridged
- IP67 waterproof construction
- Selectable HPF / LPF / Full crossover
- Variable crossover (40 Hz – 3 kHz)
- 2CH / 4CH input selector
- UV and salt-fog resistant
- Clip, Power and Protection LED indicators
- Brushed aluminum heatsink
- Direct power harness design
Specifications
| Specification | Value |
|---|---|
| Brand | DS18 |
| Series | HYDRO NVY |
| Model | NVY-T800.4D |
| Part Number | NVY-T800.4D |
| Product Type | 4-Channel Marine Amplifier |
| Amplifier Class | Class D (Digital) |
| Channels | 4 |
| Peak Power | 2400 W |
| RMS Power @ 4Ω | 4 × 200 W |
| RMS Power @ 2Ω | 4 × 300 W |
| RMS Power @ 4Ω Bridged | 2 × 600 W |
| Frequency Response | 10 Hz – 20 kHz |
| Signal-to-Noise Ratio | >80 dB |
| Total Harmonic Distortion (THD) | <0.05% |
| Efficiency @ 4Ω | 85% |
| Input Sensitivity | 200 mV – 5 V |
| Input Impedance | 20 kΩ |
| Channel Separation | >55 dB |
| Damping Factor | >100 |
| Selectable Crossover | HPF / LPF / Full |
| Crossover Range | 40 Hz – 3 kHz |
| Minimum Impedance | 2Ω Stereo / 4Ω Bridged |
| Power Input | 8 AWG Tinned OFC |
| Recommended Fuse | 80 A |
| Input Selector | 2CH / 4CH |
| LED Indicators | Power / Protection / Clip |
| Waterproof Rating | IP67 |
| UV & Salt Fog Protection | Yes |
| Thermal Protection | Yes |
| Overload Protection | Yes |
| Short Circuit Protection | Yes |
| Voltage Protection | Yes |
| Chassis Material | Brushed Aluminum |
| Dimensions (L × W × H) | 295 × 125 × 48 mm (11.6″ × 4.9″ × 1.8″) |
| Weight | 2.86 kg |
Package Contents
- 1 × DS18 HYDRO NVY-T800.4D Marine Amplifier
- Power and speaker harnesses
- Mounting hardware
- User manual
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