MB Quart NA4-320.4 Nautic 320 Watt Waterproof 4 Channel Amplifier
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Authorized Canadian MB Quart Retailer
Authorized Canadian MB Quart Retailer
We are proud to be an authorized MB Quart retailer offering products backed by their original Canadian warranty and comprehensive after-sales support. When you purchase from us, you can shop with confidence knowing your investment is protected by official manufacturer guarantees and our dedicated customer service team.
Delivery and Shipping
Delivery and Shipping
Free Shipping to the Provinces over $100
We offer Free Ground Shipping to all provinces in Canada on orders over $100. Paid shipping is available for orders below $100. Paid Express Shipping is also available for those customers who need it quick.
Oversized Orders
Select oversized products will ship via LTL Courier. This is a network of independent couriers across Canada.
Shipping Timelines
All products ship from our Markham, Ontario warehouse. Orders ship Monday to Friday and orders placed before 2pm ET usually ship the same day. Customers can expect approximately 1-3 business days for products to reach Manitoba, Ontario or Quebec. Alberta, British Columbia, New Brunswick or Newfoundland may experience approximately 5 to 7 business days for arrival.
The Territories
We offer paid shipping on smaller items to Nunavut, Northwest Territories and the Yukon.
Proudly Canadian
Proudly Canadian
When you shop with BuyIt, you're supporting a proudly Canadian business with over three decades of service excellence. Our Markham, Ontario distribution centre not only ensures fast delivery across the country, but represents our commitment to providing Canadian customers with quality technology backed by local support.
Description
Description
MB Quart NA4-320.4 Nautic compact 320 watt four channel powersports amplifier with waterproof potted internals and quick release connectors.
| Compatible Vehicle Fitment |
Universal |
|---|---|
| Marine Grade Protection / IPX Rating |
Meets or exceeds IP67 standards for waterproof and dustproof. Potted Internals: The potting material seals the components, insulating them and ensuring better durability, especially in harsh environments where exposure to moisture or water might otherwise cause short circuits, corrosion, or other performance issues. |
| Low Noise Preamplifier Circuit |
The highly engineered Q-Stasis pre-amplifier stage reduces incoming noise from source units dramatically improving sound quality. |
| RCA Inputs |
2 pair high temperature impact resistant nickel-plated RCA inputs that allow for secure connections and are corrosion resistant. |
| Operation Mode |
Four channel operation |
| Crossover Type |
Dial Switch OFF / HP: Complete control of amplifier signal, essential when using two or more amplifiers. |
| 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 Connection Power Wires and RCA Connections. |
| Connection Type |
Nickel-plated connections: Nickel plated corrosion resistant connections. |
| LED System Protection Circuitry Diagnostics |
Protection circuits: Monitor thermal, overload, DC, and speaker short protection with lighted indicators on the amplifier end panel. |
Details & Specs
| Type |
Amplifier |
|---|---|
| Brand |
MB Quart |
| Series |
Nautic |
| Category |
Marine, Powersports |
| Condition |
New |
| Color |
Black |
| Model Replaced |
NA2-320.4 |
| Warranty |
1 Year |
| IPX Rating |
IP67 |
| Compatible Vehicles |
Universal |
| Amp Class |
Full Range Class D |
| Amp Total Channels |
4 |
| Amp Max Power (watts) |
320 |
| Amp Power @ 2 Ohms (ch x watts) |
4 x 80 |
| Amp Power @ 4 Ohms (ch x watts) |
4 x 40 |
| Amp Crossover |
Electronic |
| Amp Variable High Pass Crossover 12dB per Octave |
Fixed HP 80Hz |
| Amp Variable Voltage |
0.2-9V |
| Amp Signal to Noise |
> 95dB |
| Amp Frequency Response |
13Hz-29kHz |
| Amp Total Harmonic Distortion (THD) |
1.0% |
| Amp Speaker Level Audio Inputs |
RCA |
| Amp Power Terminal 12v/GND |
12 AWG Quick Connector |
| Amp Speaker Terminal Wire Gauge |
Molex Plug Connector |
| Amp Fusing |
30A x 1 |
| Proposition 65 Notice | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
Payment & Security
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