{"product_id":"infinity-reference-ref687f-5x7-6x8-coaxial-speakers","title":"Infinity Reference REF687F 5\"x7\" \/ 6\"x8\" Coaxial Speakers","description":"\u003cdiv\u003e\n\u003cp\u003eThe Infinity Reference REF687F is a 2‑way coaxial speaker designed to fill 5\"x7\" and 6\"x8\" openings—common in Ford, Jeep, and Chrysler vehicles—providing a direct upgrade where factory sound is limited by an awkward size. The Plus One+ woofer cone and an adjustable tweeter deliver stronger midbass and smoother high end without a dramatic enclosure change.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePlus One+ polypropylene woofer cone with hi-roll rubber surround\u003c\/b\u003e: A larger-than-standard cone for this size moves more air, increasing midbass output and giving a fuller overall sound in daily listening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e1\" textile edge-driven dome tweeter with 3.0 dB level adjustment\u003c\/b\u003e: Tweeter output can be dialed to suit mounting location, helping maintain a natural soundstage when the tweet location varies in the vehicle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue Four Ohm Impedance Technology\u003c\/b\u003e: A 3-ohm design combined with vehicle wiring yields a true 4-ohm load, ensuring reliable compatibility with both factory and aftermarket head units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower handling\u003c\/b\u003e: Handles up to 60W RMS (180W peak), giving you headroom for a balanced system without overdriving the voice coil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFrequency response\u003c\/b\u003e: 49–21,000 Hz delivers solid bass through high treble for a coherent, 2‑way sound across musical content.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSensitivity\u003c\/b\u003e: 93 dB @ 2.83V, indicating efficient performance that can reach satisfying loudness with modest amplification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTop-mount depth\u003c\/b\u003e: 2.32\" footprint helps fit into tight door assemblies; grilles are not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat’s in the box\u003c\/b\u003e: Two 2-way speakers, two adhesive-backed foam gaskets, instruction manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBenefits: This pair is ideal for a Ford\/Jeep\/Chrysler install where factory 5x7\/6x8 speakers underperform. The REF687F fits behind most factory grilles, upgrades midbass without a full speaker swap, and provides adjustable tweeter level to restore natural soundstage in vehicles with low mounting locations. Its 4Ω load compatibility and solid RMS rating make it a practical, performance-driven upgrade for automotive audio builds seeking clearer highs, stronger bass presence, and reliable electrical compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Infinity","offers":[{"title":"Default Title","offer_id":49850259144932,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/g108R687F-M.jpg?v=1789262099","url":"https:\/\/www.12voltoutlet.com\/products\/infinity-reference-ref687f-5x7-6x8-coaxial-speakers","provider":"12 Volt Outlet","version":"1.0","type":"link"}