🌊 MB Quart NA2-500.5 Marine Amplifier – Five Channels of Rugged Power 🎶
Take your sound system offshore with confidence using the MB Quart NA2-500.5 marine amplifier. Built to thrive in tough marine conditions, this 5-channel powerhouse delivers clean, distortion-free audio no matter the weather or water conditions.
From crystal-clear vocals to booming subwoofer power, this amplifier drives your entire marine audio system with precision. Whether you're relaxing on a lake or speeding across the bay, the NA2-500.5 ensures your soundtrack keeps up.
⚓ Marine-Grade Construction for Harsh Conditions
Marine environments are unforgiving. The NA2-500.5 is built to survive constant moisture, salt, and extreme temperatures.
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Conformal-coated PC board protects internal circuits from corrosion
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Rugged aluminum chassis resists vibration, UV rays, and moisture
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Water-resistant control panel seals out spray and dust
This amplifier thrives in the toughest boating environments.
🔊 5 Channels of Full System Coverage
The NA2-500.5 gives you the flexibility to power your entire audio system from one amp.
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4 channels deliver full-range power to speakers
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1 dedicated subwoofer channel for deep bass response
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Each channel is independently controlled for precision tuning
This layout keeps your wiring simple and performance optimized.
🔋 Efficient, High-Powered Output
With Class D technology, this marine amplifier offers massive power with minimal battery strain.
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75 watts RMS x 4 @ 4 ohms for speakers
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300 watts RMS x 1 @ 2 ohms for subs
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Stable and consistent performance at high volume levels
Enjoy louder, clearer sound with reduced distortion.
🎚️ Flexible Tuning and Inputs
Fine-tune your system for any boat or install type with onboard sound control.
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Variable high- and low-pass crossovers
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Adjustable gain on all channels
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RCA and high-level inputs accommodate any head unit
Whether you’re building new or upgrading, setup is smooth and adaptable.
🚤 Compact Size for Tight Installs
Space is limited in most marine compartments. The NA2-500.5 is compact but tough.
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Slim chassis fits behind seats or under consoles
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Efficient cooling means no need for airflow vents
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Lightweight design reduces load on smaller boats
Install it virtually anywhere without sacrificing performance.
📦 Installation Made Simple
Designed for both pros and hobbyists, this marine amplifier offers quick, reliable installation.
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Nickel-plated connectors resist corrosion and ensure secure wiring
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Color-coded terminal labels simplify setup
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Waterproof harness options available for added protection
You’ll be ready to ride with great sound in no time.
🔗 Built for System Expansion
The NA2-500.5 integrates easily with other marine-grade gear.
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Compatible with MB Quart marine speakers and subwoofers
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Pre-amp outputs let you daisy-chain additional amplifiers
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High-pass and low-pass filters help fine-tune mixed setups
Add more gear when you're ready without needing to upgrade the amp.
🔥 Perfect Combo with Boat and Vehicle Upgrades
Pair your sound upgrade with a sleek, new look. Consider Delaware window tinting to enhance privacy and block UV rays.
🧭 Key Features at a Glance
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5-channel full-range Class D amplifier
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75W x 4 + 300W x 1 RMS power output
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Conformal-coated board for marine protection
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Rugged aluminum heat sink with water-resistant panel
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RCA and high-level input options
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Crossovers and gain adjustment built in
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Compact size and lightweight design
Explore our full marine amplifier collection for more weatherproof, high-performance audio solutions.
📍 Contact Audio Jam
Looking for installation help or a custom marine audio package? We’re ready to help.
Audio Jam
📍 227 Governors Place, Bear, DE 19701
📞 (302) 832-2868
🌐 www.audiojamonline.com
❓ Frequently Asked Questions
Q: Is this amplifier compatible with factory head units?
A: Yes, the NA2-500.5 supports high-level inputs for factory stereo compatibility.
Q: Can this amplifier power tower speakers and a subwoofer?
A: Yes. Four channels handle towers while the fifth powers a dedicated subwoofer.
Q: How water-resistant is the amplifier?
A: It features marine-grade construction, water-resistant controls, and a coated board to prevent moisture damage.
