DS18 NVY 4-Channel Marine & Powersports Amplifier
The DS18 NVY-T800.4D 4-channel marine and powersports amplifier is built for riders and boaters who demand clean audio, serious power, and extreme durability. Delivering 200 watts RMS per channel at 4 ohms, this Class D full-range amplifier is ideal for powering speakers in harsh outdoor environments where standard amps fail.
With an IP67 waterproof rating and advanced UV, salt, and fog protection, the NVY-T800.4D is engineered to survive marine spray, mud, dust, and extreme heat. Its surface-mount component (SMC) technology and direct harness design allow flexible mounting in tight spaces without sacrificing performance.
The amplifier features a 2-channel / 4-channel RCA input selector, making it easy to integrate into a wide variety of marine and powersports audio systems. Built-in HPF, LPF, and FULL crossover filters give you complete control over your sound, whether you’re running tower speakers, wake speakers, or UTV pods.
Best For
- Marine Audio Systems: Boats, pontoons, and saltwater applications
- UTV & Powersports Audio: Side-by-sides, ATVs, and off-road vehicles
- Harsh Environments: IP67 waterproof protection for mud, water, and dust
- Custom Audio Builds: Flexible input and crossover controls
Highlights
- 200W RMS x 4 @ 4 ohms
- IP67 waterproof marine-rated amplifier
- Class D full-range digital design
- Selectable HPF, LPF, and FULL crossover filters
- 2CH / 4CH RCA input selector
- UV, salt, and fog protection
- Direct harness design with marine-grade wiring
- Advanced SMC amplifier technology
Frequently Asked Questions (FAQ)
Is this amplifier fully waterproof?
Yes. The DS18 NVY-T800.4D features an IP67 waterproof rating, making it safe for marine and off-road use.
Can I use this amplifier on a UTV or side-by-side?
Absolutely. This amplifier is ideal for UTV, ATV, and powersports audio systems exposed to dust, mud, and water.
What speakers can this amplifier power?
It can power full-range speakers, wake tower speakers, and marine speakers, supporting 4-ohm, 2-ohm, and bridged configurations.
Does this amplifier support bridged operation?
Yes. It supports 2 x 600W RMS bridged at 4 ohms.
Technical Details
| SPECIFICATIONS | |
| POWER | |
| Total Watts (Peak) | 2400W |
| RMS Power @ 4 ohm | 4 x 200W |
| RMS Power @ 2 ohm | 4 x 300W |
| RMS Power @ 4 ohm Bridge | 2 x 600W |
| AUDIO | |
| Frequency Response | 20Hz-20KHz |
| Signal to Noise Ratio | >80dB |
| Efficiency @ 4ohm | 0.85 |
| Damping Factor | >100 |
| Input Impedance | 20Kohms |
| Channel Separation | >55dB |
| Total Harmonic Distortion (THD) | 0.0005 |
| Low Level Input Range | 200mV-5V |
| Selectable X-Over | HPF/LPF/FLAT |
| X-Over Filter Range | 40Hz-3KHz |
| FEATURES | |
| Amplifier Class | Digital |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 |
| Minimum Impedance | 2 Ohms (Stereo) / 4 Ohm (Bridge) |
| Led Indicator | Power / Protection / Clip |
| Power Input Terminal Size | 8GA Tinned OFC |
| Recommended Fuse Size | 80A |
| Thermal Protection | Yes (76.4°C) |
| Over-Load Protection | Yes |
| DC Output Protection | Yes |
| Short Circuit Output Protection | Yes |
| Voltage Input Protection | Yes |
| Clipping Protection | Yes |
| Body Color / Finish | Brushed Aluminum |
| MEASUREMENT | |
| Overall Length | 11.6" / 295mm |
| Overall Wide | 4.9" / 125mm |
| Overall Height | 1.8" / 47mm |
| Heatsink Length | 10.2" / 261mm |
| Gross Single Unit Weight | 2.86Kg |
