MB Quart MBQNA310005 5 Channel Waterproof NA3 Amplifier

No reviews yet Write a Review
You save $39.95
Fixed Rate Shipping $9.95
4 interest-free payments of $189.76 AUD fortnightly More info
PayPal Logo
Secure shopping made faster - shop without retyping payment details

Click & Collect available at checkout (Strathfield Store Only)


Introducing the NA3-1000.5 Nautic 1000 Watt Amplifier by MB Quart - your gateway to marine audio excellence. This powerhouse amplifier is engineered to elevate your onboard sound experience to unprecedented levels. With a marine-grade protection rating that meets or exceeds IPX standards for waterproofing and dustproofing, the NA3-1000.5 is built to withstand the elements while delivering premium audio quality.


  • Low Noise Preamplifier Circuit: The Q-Stasis Pre Amplifier Stage ensures minimal distortion as it maximizes the low voltage signal from the source unit to the amplifier circuit, resulting in pristine sound reproduction.

  • RCA Inputs: Prewired to the PC board, the amplifier offers enhanced protection. Unused RCA jacks can be kept covered to maintain durability and reliability.

  • High Level Inputs: Utilize the Auto-Sense Feature for seamless integration with high-level inputs.

  • Flexible Operation Modes: Choose from 2, 4, or 5 channel operation modes to suit your audio setup.

  • Variable Electronic Crossovers: Take complete control of your sound with variable electronic crossovers, allowing precise customization.

  • Electronic Equalizer: Fine-tune your amplifier's output using the onboard electronic crossover, tailoring specific frequencies to your speakers and subwoofers.

  • Class SQ Topology: Experience unparalleled sonic accuracy and clarity with the MB Quart Class SQ topology, designed to exceed standard Class A/B amplifiers.

  • FLUID-FETS Technology: Equipped with FLUID-FETS, our painstakingly selected output devices ensure efficient power production and emulate the sound quality of high-end home amplifiers.

  • Efficient Heat Dissipation: The Nautic gloss white epoxy finish aids in heat dissipation, enhancing the amplifier's performance. The heavy-duty heat sink effectively transfers heat from the MOSFET, maintaining optimal operation.

  • Robust Power Supply: The marine-grade MOSFET Pulse Width Modulation power supply delivers efficient power without straining the boat's electrical system.

  • Sealed Output Connections: The amplifier's output connections are sealed and grommeted for enhanced durability and protection.

  • LED System Protection: Monitor overload and speaker short protection with illuminated indicators, ensuring the amplifier's longevity.

  • Bass Remote Included: Enjoy control at your fingertips with the included bass remote, allowing for subtle bass adjustments from your seated position.

  • Auto Turn-On Convenience: The DC SIGNAL SENSE feature eliminates the need for an amplifier remote turn-on wire. The amp turns on automatically when a signal is received on the RCA inputs.

  • SMT Inside for Superior Performance: Surface Mount Technology enhances circuit design, power, and sound quality. With improved tolerances and resistance to shock and vibration, SMT components excel in all vehicle audio applications.

The NA3-1000.5 Nautic 1000 Watt Amplifier redefines marine audio with its unparalleled features and performance. Elevate your onboard sound system to new heights and enjoy your favorite tunes like never before.

Extra Information

MB Quart