BLAM RELAX SFK-FOR4-RC165 Rear Door Coaxial Speaker Upgrade Kit for Ford C-Max (2003-2010)

Transform the rear-door audio performance of your Ford C-Max (2003–2010) with this complete speaker upgrade kit designed for plug-and-play installation. The included BLAM Super Relax SR165C 6.5" (165 mm) Hi-efficiency 3 coaxial speakers feature integrated 20 mm soft-dome tweeters for crisp treble and natural midrange tones, delivering a balanced and detailed sound experience. The kit includes InCarTec adapter rings for secure mounting and speaker wiring adapter leads for simple connection to your factory wiring — no cutting or modifications required. Engineered for clarity and efficiency, the SR165C is ideal for use with factory head units or aftermarket car stereos. Designed in France by BLAM Audio, this system is trusted by car audio professionals and supplied in the UK by InCarTec, the official distributor for BLAM. PLEASE NOTE: Only suitable for Ford C-Max (2003-2010) rear doors, for front doors please use SFK-FOR3-RC165 This complete speaker fitting kit includes: BLAM SR165C 165mm Coaxial Speakers (Pair) Upgrade your car audio with the BLAM SR165C 6.5 coaxial speaker kit, part of the French brands esteemed Super Relax series. Designed for enthusiasts seeking high-performance sound, it delivers powerful dynamics thanks to its 150 W peak power and 75 W nominal power rating and a remarkably high sensitivity of 93 dB. Its frequency range of 60 Hz to 25 kHz ensures both deep mid-bass and crisp highs. The woofer features a glass-fiber reinforced basket for rigidity, a treated cellulose pulp cone for natural sound reproduction, and a butyl suspension for durability under load. The tweeter is a 20 mm soft-dome unit powered by a neodymium (N38) motor, with an integrated 6 dB/octave high-pass filter to maintain clarity at high volumes. This kit includes everything you need for an upgrade: the two 165 mm coaxial drivers (woofers with integrated tweeters), mounting screws, and instructions. With an impedance of 3 , it works efficiently even with factory head units, ma