MB Quart

MB Quart NA4-400.1 Nautic 400 Watt Waterproof Monoblock Amplifier

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NA4-400.1

Brand: MB Quart

Description

MB Quart NA4-400.1 Nautic 400 Watt Waterproof Monoblock Amplifier

MB Quart NA4-400.1 Nautic compact 400 watt mono powersports subwoofer amplifier with waterproof potted internals and quick release connectors.

General Features:

  • 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    
    1 pair high temperature impact resistant nickel-plated RCA inputs that allow for secure connections and are corrosion resistant.
  • Operation Mode    
    Mono operation
  • Crossover Type    
    Dial LPF: 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.
  • Bass Remote Included    
    Included: Wired Bass Remote allows adjustments to gain level to be made from the control mounted anywhere in the vehicle.

Specifications:

  • Type    
    Amplifier
  • Brand    
    MB Quart
  • Series    
    Nautic
  • Category    
    Marine, Powersports
  • Condition    
    New
  • Color    
    Black
  • Model Replaced    
    NA2-400.1
  • Warranty    
    1 Year
  • IPX Rating    
    IP67
  • Compatible Vehicles    
    Universal
  • Amp Class    
    Full Range Class D
  • Amp Total Channels    
    Mono
  • Amp Max Power (watts)    
    400
  • Amp Power @ 2 Ohms (ch x watts)    
    1 x 400
  • Amp Power @ 4 Ohms (ch x watts)    
    1 x 200
  • Amp Crossover    
    Electronic
  • Amp Variable Low Pass Crossover 12dB per Octave    
    50Hz-150Hz
  • Amp Bass Boost    
    0-12dB
  • Amp Subsonic Filter    
    15Hz-50Hz
  • Amp Variable Voltage    
    0.2-9V
  • Amp Signal to Noise    
    > 100dB
  • Amp Frequency Response    
    17Hz-165Hz
  • 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

Warning:
This product can expose you to chemicals known to the State of California to cause cancer. For more information, go to P65Warnings.ca.

Shipping & Returns

Shipping Policy

Absolute Pro Music is proud to offer fast shipping at affordable prices. The shipping fee for each order is based on the package weight, destination, and shipping method. For the most accurate shipping information, use the "Get shipping quote" link on the product pages or in your shopping cart.

Shipping Methods and Transit Times

Absolute Pro Music ships orders from our Los Angeles, California location. On occasion, orders will be fulfilled directly by the manufacturer or distributor in order to reduce the shipping time. The shipping times below refer to items labeled with an availability of In Stock - Ships the Same or Next Business Day.

Shipping Method

Order Processing Time

Delivery Time

Total Ship Time

Standard Shipping

1-24 Hours

1-6 Business Days

2-7 Business Days

Three-Day Shipping

1-24 Hours

3 Business Days

3-4 Business Days

Two-Day Shipping

1-24 Hours

2 Business Days

2-3 Business Days

One-Day Shipping

1-24 Hours

1 Business Days

1-2 Business Days

Flat Rate Shipping

1-24 Hours

7-10 Business Days

8-11 Business Days

United States Customers:

The shipping methods listed above are for residential and commercial destinations within the continental 48 United States. Absolute Pro Music primarily uses FedEx to ship orders. To provide the most affordable rates, small items shipped via Standard Flat Rate or USPS First Class Mail will be delivered through a joint effort by DHL and USPS. Shipments to military addresses and PO Boxes will only ship via USPS. When shipping to a military APO/FPO/DPO address, we strongly recommend choosing USPS Priority as the shipping time is much quicker than Parcel and averages about 2-3 weeks.

Canadian Customers: We offer all-inclusive shipping to our Canadian customers. (click here for details)

International Customers: We ship to most countries around the world. (click here for details)

Order Tracking

Once an order has been shipped, we send our customers an email with the tracking number for the order. Click on the tracking link in the email to follow the location of the package on the carrier's website. If you did not receive a tracking number by email or need to confirm the tracking information, please contact us at support@absolutepromusic.com or call us at +1(213) 744.11.44

Order Processing

Each order placed on Absolute Pro Music goes through our processing department before it can be shipped. If 3 business days have passed since you submitted payment and you have not received an email with tracking information, please log in to your account to track your orders and/or contact us immediately via email or phone. Customers who do not receive a tracking number within 3 days will receive an order status update via email.

Shipping to Alternate Address

Orders with different billing and shipping addresses may require longer processing times due to an additional verification procedure. The additional verification and processing time are in an effort to protect our customers from online fraud.

Shipping Changes Fees (Address Intercept)

If a request to change the shipping address is made after the package leaves the Absolute Pro Music warehouse, it is subject to an Address Intercept Fee imposed by the shipping carrier. The amount of the fee varies according to the shipping carrier and the destination of the package. Absolute Pro Music will do its best to work with the shipping carriers to make these changes so that your package arrives at the correct address. Please be aware that not all shipping carriers will accept address intercept changes. This policy is in accordance with the security measures and agreements made with our third-party shipping companies.

Signature Required

Due to the valuable contents of some shipments, Absolute Pro Music may require a signature upon delivery. Such guidelines will not be overruled upon the customer's request. Please understand that this is a security measure taken by our Company to ensure the safe delivery of each package and guarantee excellent service. Many of our third-party shipping carriers and payment companies require signatures upon delivery to protect against fraud and theft. Customers may request a signature upon delivery by calling Absolute Pro Music Customer Service at +1(213) 744.11.44.

Shipping Policy Disclaimer

Delivery estimates do not apply to items shipped directly from the manufacturer, nor out-of-stock items. Some items that ship from the manufacturer can only be delivered to addresses within the 48 continental states.

Standard delivery time for domestic customers will average from 2-4 business days but can take longer in some cases. Saturday, Sunday and national holidays are not considered business days for delivery purposes.

Our Shipping Guarantee applies only to shipments delayed due to our service failure. We will not guarantee shipments that are delayed due to an act of god (ex: weather), a catastrophic event, or failure by our delivery partners. Our guarantee is also voided if incorrect billing or shipping information is given and results in your order being delayed to its destination. Our guarantee is also void if no one is available to sign for shipment when delivery attempt is made if a signature is required.

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