CS 4" (100 mm) Coaxial Speaker System BF17 - Square Sub Design Moves

- Square Sub Design Moves 20% More Air Than Round Subwoofers

The ultra-efficient TRTP™ Down-Firing Loaded Enclosures deliver huge bass without taking up needed boot space

Stainless Steel/ABS Clamp Fits 1

and helpful alignment shims

oversized gold push terminals

CS 4" (100 mm) Coaxial Speaker System BF17 - Square Sub Design MovesThe CS Series delivers remarkable performance and ultra clean bass, utilizing a heavy duty motor magnet structure featuring EVC (Extended Voice Coil) technology not found in stock speakers. They use polypropylene cones with tough, ribbed, UV treated surrounds for precise linear excursion and reliability. The CS Four Inch Coaxial Speakers are the best way to upgrade your speakers. These coaxial speakers are a significant upgrade in your sound. A