MB Quart - Pair of Formula FSB216 6.5 Component Speakers and A Pair of Formula 6x9 Speakers FKB169
- Speaker Surround: Butyl rubber surrounds provide durability and deeper mid-bass impact. Voice Coil: Pure Copper voice coil creates a strong magnetic....
- Voice Coil Former: Kapton voice coil former is lightweight and efficiently dissipates heat..
- Spider: Natural fiber allows flexibility while the infused epoxy gives strength during the manufacturing process..
- Cone Material: Lightweight thermal-formed polypropylene cones enable faster midrange response..
- Cooling System: Over-coil cooling system allows air exchange over the voice coil through the spider..