Name: MB Quart NA2-320.4
Brand: MB Quart
SKU: na23204
Price: 220.00 USD
Availability: InStock
Rating: 5.0000 (1 reviews)

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MB Quart NA2-320.4 Image 1 — MB Quart NA2-320.4

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Product highlights

• 40 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Total Power: 320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Learn more about the na23204

Universal – fits most vehicles.

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Product Highlights

• 40 watts x 4 channel @ 4 ohm
• 80 watts x 4 channel @ 2 ohm
• Total Power: 320 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Description

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MB Quart NA2-320.4

The MB Quart NA2-320.4 is a compact, marine-grade Class D 4-channel amplifier designed for powerful, reliable performance in harsh environments. Built to IPX5 and ASTM standards with conformal-coated circuitry, corrosion-resistant terminals, and an aluminum heat sink, it’s engineered to withstand moisture, salt spray, and high temperatures. Features like Q-Stasis noise-reduction pre-amplification, 3-way protection circuitry, signal-sensing turn-on, and flexible four-channel or bridged mono operation provide clean, stable power and easy system integration. Compact and installation-friendly with quick-disconnect wiring, this amplifier is ideal for marine, powersports, or outdoor audio systems needing durability and clarity.

Product Details:

Nautic Series Class D 2 ohm Stable 4-Channel Amplifier
RMS Power Rating:

4 ohm: 40 watts x 4 channel
2 ohm: 80 watts x 4 channel

Total power output: 320 watts
LED power (blue) and protect (red) light indicator
Signal sensing remote turn-on
3-way protection circuitry (thermal, overload, and speaker short protection)
IPX5 marine grade protected and ASTM certified
Uses conformal coated PC boards to resist corrosion from salt spray and moisture
Highly engineered Q-Stasis pre-amplifier stage reduces noise from stereos
High temperature impact resistant with hex screw terminals
Allows amplifier to run in four channel or bridged mono mode
Complete control of amplifier signal, essential when using two or more amplifiers
Integrated PWM MOSFET power supply
Stable power through the PC board with minimal heat generation
Aluminum heat sink to quickly dissipate heat
Dual Simpatico coil Pulse Width Modulated power supply
Quick disconnect wires and RCA connections
Nickel plated corrosion resistant connection type
Low level input sensitivity: 0.2 - 9 volts
Frequency Response: 20 - 20000 Hz
Signal to Noise Ratio: 90 dB
Fuse Rating: 30A
10 AWG gauge amplifier wiring kit is recommended for installation
Dimensions: 3.70" L x 5.51" W x 1.77" H
Authorized Internet Dealer
1-year Manufacturer's Warranty
MFR #: NA2-320.4