Recoil SW10D4 - 2000 Watts Peak 10" Inch 25cm Dual 4-Ohm Car Sub SubwooferRecoil SW10D4 2000 Watts Peak 10" Inch 25cm Dual 4 Ohm Echo Max Series Car Sub Subwoofer Recoil Echo Max series subwoofers are packed with the latest technology and performance features. They provide powerful advantages in motor linearity and suspension behavior. And they combine with a very efficient cooling structure to deliver reduced distortion and outstanding dynamic balance. They are built with high output at its core and will deliver