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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
single-assembly upgrade that preserves factory aesthetics while expanding overall frequency range
compatible with standard 4-ohm amplifiers and head units for straightforward integration
True 4-ohm architecture: low-impedance voice coil designed to safely draw power from your source
the TKO124/12S4 can save you money and space
OEM‑Level Reliability Testing: Rigorous reliability testing provides confidence for long-term
Infinity Primus 503CF 5.25" 2-Way Component Speakers 1001-1500 single-assembly upgrade that preserves factoryInfinity Primus 503CF 5. 25" 2 Way Component Speakers are a purpose built car audio component system designed for enthusiasts who demand clear vocals, precise highs, and solid bass with efficient power use. 5 1 4" Plus One+ polypropylene woofer cone: Plus One+ design extends the cone to the edge of the basket, increasing surface area for stronger bass and deeper low end, paired with a hi roll rubber surround for controlled excursion. 3 4" edge driven
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