EAW SB828P 4000W Passive Installation Subwoofer (White) - 2x18"The EAW SB828P White is a high performance, 4000W passive subwoofer designed for powerful bass reproduction in demanding professional environments. As part of EAW's legendary SB Series, the SB828P White features dual 18 inch drivers with a 4. 5 inch Tetracoil dual voice coil, providing deep, impactful low frequency output for large scale venues. This subwoofer is ideal for installations that require both high output bass and a visually appealing