Wide Open Sound · Curated gear
Nemesis Audio Marine amplifier NA-MR1400X4B
WOS Pick What this amp does in 10 seconds — expand for full specs.
- BrandNemesis Audio
- SKUNA-MR1400X4B
- Channels1
Mei says"Match this amp to your speakers and sub. Wrong power or wiring = weak system — do it once, do it right."
The stuff you'll actually notice
- 1-channel platform.
Product description
Nemesis Audio NA-MR1400X4B MR Series 4-Channel 175W RMS x 4 at 2 Ohm, Class-D Marine Powersports Amplifier
We are a Nemesis Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
What's Inside?
• Class-D Marine Amplifier
• Owner's Manual
Rugged 4-Channel Marine Amp with Big Power and Precision Tuning
Power your entire system with the NA-MR1400X4B, delivering up to 350W x 4 channels at 2Ω for bold, high-impact sound. Experience clean, full-range audio with a 20Hz–20kHz frequency response and an adjustable 50Hz–500Hz crossover for precise tuning. Built for the outdoors, this amplifier offers serious performance with marine-grade durability to handle any adventure.
Waterproof 4-Channel Amp with Wireless Streaming and Clean, Powerful Audio
Enjoy crystal-clear, high-powered audio with a >90dB signal-to-noise ratio and ultra-low 0.3% distortion, delivering clean sound at any volume. Its flexible 2CH/4CH input mode and wide 0.2V–10V input sensitivity make it easy to integrate with any setup. Built tough with an IP67 waterproof rating and wireless music streaming, the NA-MR1400X4B is ready to power your rides, waves, and outdoor adventures.
SPECIFICATIONS
Maximum Power : 1400 Watts
Number of Channels : 4
Frequency Response : 20-20000 Hz
RMS Power Output : 4x175 Watts
Amplifier Class : D
FEATURES
Features:
MAX/ RMS 14.4V < 1% T.H.D
350Wx4CH / 175Wx4CH (a 2-0hm
210Wx4CH / 105Wx4CH 10 4-0hm
700Wx2CH / 350Wx2CH @ 4-Ohm Bridged
Frequency Response:20Hz-20KHz
Crossover Range: 50H2-500Hz
Input Sensitivity: 0.2V-10 NV SIGNAL / NOISE RATIO: >90dB
Total Harmonic Distortion: <0.3%
Input Mode: 2CH / 4CH
Dimensions:9.34×4.57″x1.83″
Waterproof Level: IP67 rated wireless music streaming : YES
UPC:
Weight: 0
Authorized Internet Dealer
Warranty: 0 Months Warranty.This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 0 Months from the original date of purchase with proper return authorization.
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Power breakdown
Inputs, filters & control
Build, wiring & install
Protection & performance
Full specifications
| Amp Channels | 1 |
|---|
| Water Rating | Waterproof |
|---|---|
| IP Ratings | IP67 |
Support & warranty
Need help choosing or installing?
We build indestructible, IP-rated systems for marine, motorcycle, UTV, and automotive. If you want a matched setup, we’ll guide you to the right gear the first time.
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