NA4-320.4 Nautic 320 Watt Waterproof 4 Channel Amplifier
DescriptionMB Quart NA4-320.4 Nautic Compact 320 Watt Waterproof 4-Channel Powersports Amplifier.Features Type: Amplifier Series: Nautic IPX Rating:...
Vendor:
MB Quart
Manufacturer SKU
MBQ-NA4-320.4
Availability:
Out Of Stock
Product Type:
Marine Amplifiers
- $229.99
- $229.99
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Subtotal:
$229.99
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Description
MB Quart NA4-320.4 Nautic Compact 320 Watt Waterproof 4-Channel Powersports Amplifier.
Features
- Type: Amplifier
- Series: Nautic
- IPX Rating: IP67
- 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.
The Kaos Run Down
| Manufacturer | MB Quart |
|---|---|
| Manufacturer SKU | NA4-320.4 |
| Application | Marine & Powersports |
| Weight | 3.25 lbs |
| Dimensions | 9.5 × 6.75 × 3.25 in |
| Item Weight (lbs) | 2.2 |
| Item Length (in) | 6.8 |
| Item Width (in) | 3.94 |
| Item Height (in) | 1.77 |
| 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 |
| 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. |
| View/Download (951.9 KB) | MB Quart Nautic Amplifiers (NA4) Quick Start Guide (Rev5) |
Shipping
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Important Notes
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.