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MB Quart NA2-320.4

320W Max NA2 Series Class-D 4-Channel 2 ohm Stable Amplifier

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• 40 watts RMS x 4 @ 4 ohms
• 80 watts RMS x 4 @ 2 ohms
• 320 watts Total Power
• Switchable High-Pass Filters
• 0-12dB Boost
• Aluminum Heatsink
• Dimensions: 3.7" W x 5.51" L x 1.77" H

Learn more about the na23204
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Product Highlights


• 40 watts RMS x 4 @ 4 ohms
• 80 watts RMS x 4 @ 2 ohms
• 320 watts Total Power
• Switchable High-Pass Filters
• 0-12dB Boost
• Aluminum Heatsink
• Dimensions: 3.7" W x 5.51" L x 1.77" H

Description


MB Quart brand icon

Authorized dealer

General Features:

  • MB Quart NA2 Series NAT-320.4
  • Class-D Full Range 2 ohm Stable 4-Channel Amplifier
  • Built for powersports and marine applications
  • Marine certified
  • RMS Power Rating:
    • 4 ohms: 40 watts x 4 chan.
    • 2 ohms: 80watts x 4 chan.
    • 1 ohm: ------------N/A------------
  • Total power output: 320 watts
  • Pulse Width Modulated MOSFET power supply
  • LED power (green) and protect (blue) indicators
  • Soft start turn-on
  • 4 Mono channel operation
  • Speaker-level (high-level) inputs
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink
  • Input sensitivity:
    • Low level: .2V - 9V
  • Frequency Response: 20 - 20000 Hz
  • Signal to Noise Ratio: 90 dB
  • Switchable high-pass filter
  • Variable Bass Boost: 0 to +12dB bass boost at 45Hz
  • Fuse Rating: 30A x 1
  • 10 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • Dimensions: 3.7"W x 5.51"L x 1.77"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
MB Quart NA2-320.4 owner’s manual

Product history:

MB Quart NA2-320.4 thumbnail
(newest, current model)
MB Quart NA1-320.4 thumbnail
(previous model, replaced by MB Quart NA2-320.4)

Specifications & Details


Key Features
Amplifier Key Features
Bass Boost
Speaker Level Inputs
Weather-Resistant
Power Specifications - Full Range Channels
RMS Power @ 4 ohms
40 watts x 4 channel
RMS Power @ 2 ohms
80 watts x 4 channel
Amplifier Specifications
Series
Nautic Series
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
320 watts
Maximum Input Gauge Size
10 AWG
Minimum Impedance Unbridged
2 ohms
Speaker Level Inputs
Yes - with included adapter
Preamp Outputs
No
Built-in Crossover
High-Pass (HP)
Signal-to-Noise Ratio
90 dB
Bass Boost
0 - 12 dB
Remote bass/level controller
No
Fuse Rating
30A x 1 
Total Fuse Rating
30
What is in the box?
Paperwork
User manual
Brand sticker/decal
WITB: Amplifiers
Amplifier
Mounting screws (4)
Washers (4)
High-level input wiring harness w/ molex connector
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

NA2-320.4

Weight:

2.16lbs

Internal SKU:

na23204

Internal Product ID:

128343

Product and How-to Videos


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