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NA-MR2000X4B Marine/Powersports 4-Channel Amplifier
$399.99
The Nemesis Audio NA-MR2000X4B is a compact 4-channel Class D marine/powersports amplifier designed for high-output audio in demanding environments. With IP67-rated waterproof protection, wireless music streaming, and up to 250W RMS × 4 channels at 2Ω, it is well suited for boats, ATVs, UTVs, motorcycles, and other powersports applications. The specifications shown on the product packaging are also consistent with the manufacturer’s current listing.
Amplifier USER’s MANUAL
Key Features
- 4-Channel Amplification: Designed for compatible multi-speaker audio systems.
- Class D Technology: Efficient amplification in a compact form factor.
- 2,000W Maximum Power: High-output performance for marine and powersports setups.
- 1,000W RMS Power: Overall RMS power rating as provided in the specifications.
- IP67-Rated Protection: Dust and water protection for suitable marine and outdoor installations.
- Adjustable Crossover: 50Hz–500Hz range for tuning compatible audio components.
- Wireless Music Streaming: Supports wireless playback according to the supplied specifications.
- Compact Chassis: Suitable for space-conscious installations.
Ideal Applications
- Marine audio systems
- Boats and watercraft
- Powersports vehicles
- Compatible 4-channel speaker systems
Technical Specifications
| Brand | Nemesis Audio |
| Model | NA-MR2000X4B |
| Amplifier Type | 4-Channel Class D |
| Application | Marine / Powersports |
| Maximum Power | 2,000W MAX |
| RMS Power | 1,000W RMS |
| Frequency Response | 20Hz–20kHz |
| Crossover Range | 50Hz–500Hz |
| Input Sensitivity | 0.3V–6V |
| Signal-to-Noise Ratio | >90dB |
| Total Harmonic Distortion (THD) | <0.3% |
| Waterproof Rating | IP67 |
| Wireless Music Streaming | Yes |
| Dimensions (L × W × H) | 246 × 116 × 46.6 mm 9.7 × 4.57 × 1.83 inches |
Power Output
| Load | Maximum Power | RMS Power |
|---|---|---|
| 2Ω | 500W × 4 Channels | 250W × 4 Channels |
| 4Ω | 320W × 4 Channels | 160W × 4 Channels |
| 4Ω Bridged | 1,000W × 2 Channels | 500W × 2 Channels |
Audio & Crossover Controls
| Crossover Range | 50Hz–500Hz |
| Frequency Response | 20Hz–20kHz |
| Input Sensitivity | 0.3V–6V |
| Signal-to-Noise Ratio | >90dB |
| THD | <0.3% |
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