NA3-1000.5

High-Power Marine Audio for Complete Systems

The MB Quart NA3-1000.5 5-channel marine amplifier is designed to power an entire marine audio system from a single rugged unit. Built with marine-grade protection and IPX water-resistant standards, this amplifier is engineered to withstand extreme marine environments, including moisture, humidity, and salt spray, ensuring reliable performance on every outing.

Clean, Detailed Sound with Advanced Components

Featuring a low-noise preamplifier circuit, the NA3-1000.5 maximizes signal strength while minimizing electrical distortion between the amplifier and the source unit. MB Quart’s high-tech Fluid FET output devices are carefully selected to deliver efficient power with sound quality comparable to premium home audio amplifiers, producing clear, dynamic, and detailed audio on the water.

Efficient Cooling and Easy System Tuning

The durable epoxy-coated finish helps reject heat to the amplifier’s surface, allowing it to cool efficiently for longer lifespan and consistent performance. Top-mounted controls provide convenient access to onboard crossovers, bass boost, and adjustable input sensitivity, all concealed for added protection and easy tuning in marine installations.

Highlights:

• 5-channel marine-grade audio amplifier

• IPX water-resistant design for marine environments

• Built to withstand moisture, humidity, and salt spray

• Low-noise preamplifier circuit for clean sound

• High-tech Fluid FET output devices for efficient power

• Marine-specific RCA inputs with protective covers

• Top-mounted sound contouring controls

• Onboard crossovers and bass boost

• Adjustable input sensitivity for system matching

• Epoxy-coated housing for improved heat dissipation

• Designed to power full-range speakers and a subwoofer

What’s in the Package:

• MB Quart NA3-1000.5 5-Channel Marine Amplifier

• Mounting hardware

• User manual / installation guide