Brand: PIONEERModel Name: TS-A301S4Speaker Type: SubwooferConnectivity Technology: CoaxialSpecial Feature: Bass Boostinjection-molded polypropylene/glass fiber/mica cone with elastic polymer/reinforced fiber surroundpower handling: 500 watts RMS (1600 watts peak)mounting depth: 6.22PIONEER TS-A301S4 - Powerful 12-inch Subwoofer, 1600 Watts Peak Power, Single 4 Ohm Voice Coil for a Powerful Bass Pack of 2