The Infinity Primus PR5012is is a pair of 5-1/4" 2-way coaxial car speakers designed to significantly upgrade standard factory audio systems. Part of Infinity's Primus series, these speakers focus on delivering high-fidelity sound, exceptional clarity, and reliable performance at an accessible price point. They feature an elegant, low-profile design that allows them to fit easily into most domestic and import vehicles without requiring extensive modifications.
Technical Description
The speaker utilizes a 2-way coaxial architecture that integrates both a low-frequency driver and a high-frequency driver onto a single frame for coherent sound staging.
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Woofer Cone: Built with patented Plus One⢠polypropylene woofer cones. This architecture provides up to 35% more cone surface area than other speakers in its class, resulting in higher sensitivity, increased low-frequency output, and better tonal balance.
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Tweeter: Features edge-driven textile dome tweeters. Unlike cheaper balanced-dome tweeters, these driven domes offer broader dispersion and smoother high-frequency response, eliminating harshness at high volumes.
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Impedance Architecture: Engineered as a 2.7-ohm low-impedance system. This extracts maximum wattage out of factory head units or low-powered aftermarket stereos while factoring in thin factory speaker wiring to present a safe, true 4-ohm load to the amplifier.
What's Included in the Retail Box
The standard factory retail packaging contains the following items:
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2x Infinity Primus PR5012is 2-way speakers
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2x Protective plastic grilles
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2x Foam gasket strips (for airtight sealing during mounting)
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8x 1-1/8" Mounting screws
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8x Speed clips (U-nuts)
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1x Ownerâs manual / installation guide
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