{"product_id":"infinity-primus-503cf-5-25-2-way-component-speakers","title":"Infinity Primus 503CF 5.25\" 2-Way Component Speakers","description":"\u003cdiv\u003e\n\u003cp\u003eInfinity 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.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e5-1\/4\" Plus One+ polypropylene woofer cone\u003c\/b\u003e: 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e3\/4\" edge-driven silk dome tweeter\u003c\/b\u003e: An edge-driven design delivers an open, detailed high end with reduced distortion even at higher volumes, helping cymbals and vocals stay clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e3-ohm impedance\u003c\/b\u003e: Lower impedance supports drawing more power from a head unit or amplifier, compatible with virtually all factory or aftermarket car stereos.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower handling\u003c\/b\u003e: Handles up to 50 watts RMS (150 watts peak), providing ample headroom for common factory and aftermarket systems without stressing the components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFrequency response\u003c\/b\u003e: 75–20,000 Hz coverage ensures both bass fundamentals and high-frequency detail are reproduced in a typical vehicle listening environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSensitivity\u003c\/b\u003e: 91 dB at 2.83 volts, indicating relatively high efficiency so more output can be achieved from the same power input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCooling vented basket frame\u003c\/b\u003e: Ventilated basket design aids heat dissipation, supporting sustained output and longevity under demanding listening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExternal crossovers included\u003c\/b\u003e: Crossovers tuned to Infinity standards ensure proper frequency separation and cohesive system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGrilles not included\u003c\/b\u003e: Factory grilles should be suitable for most applications, simplifying installation in many vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat’s in the box\u003c\/b\u003e: Infinity Primus 503CF owner’s manual; 2 woofers; 2 tweeters (each with attached leads and quick-slides); two 18\" tweeter wires with in-line crossovers; multiple mounting hardware including cups, nuts, screws, speed clips, foam gaskets, and installation template.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBenefits: In a typical car build, the Primus 503CF pair delivers a clearly defined soundstage with vocal clarity and crisp cymbals, while the Plus One+ woofer cone provides stronger bass response without requiring extreme head-unit power. The edge-driven tweeters maintain detail at higher listening levels, and the included crossovers ensure accurate frequency division for a true two-way component setup. Built for a wide range of vehicles, this system improves over stock acoustics through efficient power handling and reliable thermal management. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Infinity","offers":[{"title":"Default Title","offer_id":49850260193508,"sku":null,"price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/g108P503CF-M.jpg?v=1789262119","url":"https:\/\/www.12voltoutlet.com\/products\/infinity-primus-503cf-5-25-2-way-component-speakers","provider":"12 Volt Outlet","version":"1.0","type":"link"}