A tired pair of factory 6 x 9s is one of the cheapest upgrades in a sedan. The Infinity Alpha 6930 is a 6 x 9 inch 3 Way coaxial carrying a 70W RMS and 490W peak rating, and its 92dB sensitivity gets good volume from a head unit.Injection moulded polypropylene woofers carry the bass and midrange, and PEI balanced dome tweeters handle the top end.Problems it solves Quiet, lifeless sound off the factory radio. 92dB sensitivity at 2.83V gets more volume from the same power. Speakers failing in the heat of a rear deck. Infinity freeze, bake, shake and UV test the Alpha range before it is sold. Muddy bass from soft paper cones. The injection moulded polypropylene cone is stiff for stronger low end. ALPHA 6930 specifications Size: 6 x 9 inch, 152 x 230mm, 3 Way coaxial Power: 70W RMS, 490W peak Sensitivity: 92dB at 2.83V Frequency response: 50Hz to 21kHz Impedance: 4 ohm Woofer: injection moulded polypropylene Tweeter: PEI balanced dome Crossover point: 3.6kHz Fitment and compatibilityRear decks and doors with a 6 x 9 inch, 152 x 230mm opening. Infinity give no mounting depth, so check the space underneath.What is in the box A pair of Alpha 6930 speakers A grille for each speaker Eight mounting screws Eight speed clips Install notesUse the supplied speed clips where the deck has no threaded holes.These run well from a head unit, and also suit a modest amplifier.WarrantyThis comes with the manufacturer's warranty through the Australian distributor. See the manufacturer's terms for details, plus our guarantees under the Australian Consumer Law.ALPHA 6930 FAQsDo the Alpha 6930 speakers come with grilles?Yes, two grilles along with 8 screws and 8 speed clips.What is the Infinity Alpha 6930 sensitivity?92dB at 2.83V.What power suits the Alpha 6930?Infinity rate it at 70W RMS and 490W peak.