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NA2-400.2RC Nautic 400 Watt Amplifier
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NA2-400.2RC Nautic 400 Watt Amplifier

Product details
MB Quart compact Two Channel, RIDE COMMAND compatible 400 watt Powersports amplifier with quick release connectors.

Specs
| Weight | 2.2 lbs |
|---|---|
| Dimensions | 6.8 × 3.93 × 1.77 in |
| Type |
Amplifier |
| Brand |
MB Quart |
| Series |
Nautic |
| Category |
Marine, Powersports |
| Condition |
New |
| Color |
Black |
| UTV Source Available |
Yes |
| UTV Source Link |
https://www.utvsource.com/mb-quart-polaris-rzr-nautic-amplifier/ |
| Warranty |
1 Year |
| IPX Rating |
IPX5 |
| Amp Class |
Full Range Class D |
| Amp Total Channels |
2 |
| Amp Max Power (watts) |
400 |
| Amp Power @ 2 Ohms (ch x watts) |
2 x 200 |
| Amp Power @ 4 Ohms (ch x watts) |
2 x 100 |
| Amp Crossover |
Electronic |
| Amp Variable Low Pass Crossover 12dB per Octave |
CH1 & CH2: 300Hz |
| Amp Bass Boost |
0-12dB @ 45Hz |
| Amp Subsonic Filter |
60Hz |
| Amp Variable Voltage |
0.2-9V |
| Amp Signal to Noise |
> 90dB |
| Amp Frequency Response |
20Hz-20kHz |
| Amp Speaker Level Audio Inputs |
RCA |
| Amp Power Terminal 12v/GND |
Molex 10 GA |
| Amp Speaker Terminal Wire Gauge |
Molex Plug Connector |
| Amp Fusing |
30A x 1 |

Features
| Marine Grade Protection / IPX Rating |
Amplifiers are ASTM certified which defines that marine amplifiers must use conformal coated PC boards to resist corrosion from salt spray & moisture. IPX5 |
|---|---|
| Low Noise Preamplifier Circuit |
The highly engineered Q-Stasis pre-amplifier stage reduces incoming noise from source units dramatically improving sound quality. |
| RCA Inputs |
1 pair high temperature impact resistant nickel-plated RCA inputs with hex screw terminals that allow for secure connections and is erosion resistant. |
| Operation Mode |
Flexible installation allows this amplifier to run in two channel or bridged mono mode. |
| Class / Topology |
Full Range Class D: Highly efficient circuit topology which helps the amplifer develop a lot of power in a very small heatsink. |
| Output Device Technology |
PWM MOSFET Power Supply: Stable power through the PC board with minimal heat generation. |
| Heat Sink |
Aluminum: Quickly dissapates heat to allow the amplifer to run lower impedance for longer duration. |
| Power Supply |
Simpatico Coil Design: The dual coil Pulse Width Modulated power supply keeps voltage constant through the Ultra-Fi output devices. |
| Output Connections |
Quick Disconnect Wires, RCA Connections: Quickly remove amplifer when you are putting machine up for the winter of as a security precaution. |
| Connection Type |
Nickel-plated connections: Nickel plated corrosion resistant connections. |
| LED System Protection Circuitry Diagnostics |
Three-stage protection circuits: Monitor thermal, overload, DC, and speaker short protection with lighted indicators on the amplifier end panel. |
30-Day Return Policy
At Fuego Bass Shop, we want you to be fully satisfied with your purchase. You can return most products within 30 days of delivery for a refund or exchange.
Please note: Any returns with physical damage or missing original packaging may incur a deduction.
Restocking Fee: A 15% restocking fee will be deducted from your refund to cover handling and restocking.
Refunds will be processed to your original payment method within 5–7 business days after we receive and inspect the returned item.
We ship within the United States (excludes recipients in Alaska, Hawaii, Puerto Rico, U.S. Virgin Islands, and Guam).
At Fuego Bass Shop, we understand the thrill of receiving your car audio equipment quickly. Our shipping process is designed to ensure your order arrives safe, fast, and ready to pump bass.
Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days depending on your location. Expedited shipping is available for select items during checkout.
Once your order is shipped, you will receive a tracking number via email so you can follow your gear every step of the way. Our packaging is designed to protect high-performance audio equipment from bumps, vibrations, and shocks during transit.
Please note: Delivery times may vary during holidays, promotions, or due to carrier delays. We highly recommend verifying your shipping address before completing checkout to avoid delays.
If you have any questions about your shipment or need assistance, our support team is ready to help. We want your experience with Fuego Bass Shop to be as powerful and smooth as our bass systems!



