The
Infinity Reference 622MW is a
6.5" two-way coaxial marine speaker system engineered to deliver high-fidelity audio in harsh open-air environments.
Technical Specifications
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Power Handling: 75 Watts RMS per speaker (150W per pair) | 225 Watts Peak per speaker (450W per pair).
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Impedance: 4 Ohms, ensuring broad compatibility with standard marine stereos and amplifiers.
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Sensitivity: 92 dB at 2.83V/1m.
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Frequency Response: 50 Hz – 20,000 Hz.
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Top-Mount Depth: 2.50 inches.
Key Features
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Fully Marinized Construction: Features an IPX5 water-resistance rating along with sun, salt, and sea spray protection.
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Bridge-Mounted Tweeters: The balanced PEI dome tweeters are fixed directly to the grille instead of through the center core. This design completely seals the front polypropylene woofer cone to prevent water intrusion into the internal motor structure.
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Plus One™ Woofer Cones: Designed with an expanded cone surface area to optimize mid-bass "thump" and acoustic output while navigating loud engine or wind noise.
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Weatherproof Materials: Built using a UV-treated, one-piece cast-polymer basket, durable butyl rubber surrounds, and a fully sealed ferrite magnet assembly with a rubber boot cover.
In the Box
The package contains one pair of white marine speakers with integrated grilles, stainless steel mounting hardware (ten 3mm Allen head screws), adhesive-backed foam gaskets, speed clips, and an installation manual
Design Architecture & Material Composition
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Bridge-Mounted Tweeter: The high-frequency tweeter is structurally fixed directly to the integrated polymer grille. This design eliminates the traditional central pole-piece, creating a completely solid, unbroken woofer cone surface that isolates the internal voice coil and motor structure from water or salt intrusion.
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Plus One™ Woofer Cone: The main cone is constructed from UV-stable polypropylene. By utilizing an expanded cone shape, it maximizes available surface area to increase overall sensitivity and lower mid-bass extension.
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Acoustic Edge & Suspension: It features a highly resilient butyl rubber surround that resists degrading from ozone, intense heat, and UV exposure while maintaining structural flexibility.
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High-Frequency Element: The 1-inch balanced dome tweeter is composed of Polyetherimide (PEI), a high-density material chosen for its stiffness, lightweight profile, and resistance to environmental breakdown.
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Chassis & Motor Assembly: Built on a one-piece composite cast-polymer basket to resist impact and corrosion. The internal motor includes a dense ferrite magnet completely protected by a sealed rubber boot cover.
Electro-Acoustic Specifications
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Continuous Power Handling (RMS): 75 Watts per speaker | 150 Watts per pair
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Peak Power Handling: 225 Watts per speaker | 450 Watts per pair
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Nominal Impedance: 4 Ohms
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System Sensitivity: 92 dB (measured at 2.83V / 1 meter)
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Frequency Response: 50 Hz to 20,000 Hz
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Compliance Standards: Fully CEA-2031 compliant for verified thermal and mechanical power ratings.
Environmental Certifications & Form Factor
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Ingress Protection Rating: Fully marinized with an IPX5 water-resistance certification to handle sustained splashes, high-pressure wash-downs, and salt spray.
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Top-Mount Installation Depth: 2.50 inches
- Cutout Diameter Required: 5.03 inches
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