ITEM NAME:Bass Subwoofer Second-order Crossover Frequency Divider DIY Home Theater without Description: If you like the shocking bass, cinema-like sound,this home and car Bass Frequency Distributor is a wonderful choice for you Inductors with oxygen-free copper enameled wire, original audio dedicated double inductance in series, and 90 degrees staggered The divider use high-end terminals, ceramic double resistance, self-recovery protection device, Japan's high-level audio Applicable to home speakers and car speakers DIY 100% brand new and high quality,if you have any questions,.Frequency response:40Hzï ½Å¾400Hz. 1 Piece Frequency Distributor. Maximum power:200W. Applicable impedance:4ï ½Å¾8ÃŽ ©.