Description of NA2-320.4:

MB Quart compact Four Channel, 400 watt Powersports amplifier with

on-board equalization and simple installation with quick release

connectors.

Features:

• MB Quart NA2-320.4 320w RMS 4-Channel

  Amplifier 4 Polaris RZR ATV UTV Cart

• Marine Grade Protection
• Pre-Amp Circuitry: The highly engineered

  Q-Stasis pre-amplifier stage reduces incoming noise from source

  units dramatically improving sound quality

• Inputs: 2 Pair, High temperature impact

  resistant with hex screw terminals that allow for secure connections

  and is erosion resistant

• Four channel operation
• Complete control of amplifier signal,

  essential when using two or more amplifiers

• Full Range Class D: High efficient circuit

  topology which helps the amplifier develop a lot of power in a very

  small heatsink

• Stable power through the PC board with

  minimal heat generation

• Aluminum Heat Sink: Quickly dissipates heat

  to allow the amplifier to run lower impedance for longer duration

• Simpatico Coil Design: The dual coil pulse

  width modulated power supply keeps voltage constant through the

  Ultra-Fi output devices

• Output Connections: Quickly remove amplifier

  when you are putting machine up for the winter as a security

  precaution

• Gold plated power, ground, speaker and RCA

  corrosion resistant connections

• Diagnostics: Monitor thermal, overload, DC

  and speaker short protection with lighted indicators on the

  amplifier end panel

• Water resistant for durability in any

  environment

• Specifications:

  • Certifications:

    Marine and Powersports

  • Variable Voltage:

    0.2V-0.9V

  • Signal to Noise

    Ratio: >90dB

  • Frequency

    Response: 20Hz – 20kHz

  • Bass Boost: 0-12dB

    at 45Hz

  • Power at 2-Ohms: 4

    x 80W

  • Power at 4-Ohms: 4

    x 40W

  • Total Channels: 4
  • Audio Inputs: RCA
  • Dimensions: 3.70

    x 5.51 x 1.77 in (9.4 x 14.0 x 4.5 cm)

  • Weight 2.16lbs

    (0.98kg)

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