8 In-Wall Passive Subwoofer Audio Speaker Home Theater Cinema Paintable Grille. 8" passive in-wall subwoofer Heavy-duty mounting tabs for easy installation Designed to fit within standard 16" wood stud walls Polypropylene cone with rubber surround Magnetic, paintable grille Spring-loaded binding posts 36 200 Hz frequency response 91dB sensitivity. 8 polypropylene cone with rubber surround. This 8 in-wall subwoofer adds powerful bass to your in-wall or in-ceiling home theater system. Equipped with high-end, compact, 8 polypropylene woofer, heavy duty mounting tabs, and a paintable magnetic grille, it can be used in both new construction or seamlessly added to existing systems. The 91dB sensitivity ensures an easy pairing with just about any amplifier. It is designed to add thunderous bass, without taking up valuable floor space. Prop 65: This product may contain a chemical known to the State of California to case cancer or birth defects or other reproduction harm. Please contact our customer service representatives. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Home Speakers & Subwoofers". The seller is "smartboxsystems" and is located in this country: US. This item can be shipped to United States.