Our flagship Episode Passive In-Wall Subwoofer is a culmination of world-class engineering and uncompromising component selection. Each 8" woven fiberglass sandwich woofer features a nomex spider and oversized voice coil for unparalleled accuracy and low-end response. The system is enclosed in an easy-to-install sealed backbox to deliver low-distortion, high-impact bass. It’s perfect for mid- to high-end home theater and two-channel applications.