-. Binding : Electronics -. Brand : Polk Audio -. EAN : 0613815916376 -. Feature : Package Includes : Polk Audio MM842DVC 8" 900 Watt Dual 4-Ohm Car or Marine Subwoofer + Rockville Rockmat RM12-B 12 Sq. Ft. Butyl Rubber Sound Dampening Car Kit / Polk Audio MM842DVC 8" 900 Watt Dual 4-Ohm Car/Marine Boat Audio Subwoofer Sub . Driver Compliment: 8" (203.2 mm). Cutout Dimensions: 7.2" (185mm). Mounting Height: 0.55" (14.06mm). Mounting Depth (Top): 4" (105mm). Mounting Depth (Bottom): 4.68" (119mm). Peak Power Handling: 900 Watts. RMS Continuous Power Handling: 300 Watts. Nominal Impedance: 4 Ohms. Frequency Response: 30Hz-200kHz. Sensitivity: 85 dB. / Rockville Rockmat RM12-B 12 Sq Ft Sound Dampening/Deadening Butyl Rubber Car Kit. Contains 4 sheets of sound damping material - Each sheet is 12" inch x 36" inch (3 sq. ft. per sheet) . Paintable Surface. Recommended for use as a door kit or trunk lid kit. Increases SPL - The use of our Rockmat will not only make your sound more clear and eliminate distortion but it will make your music louder by . Eliminates sound leakage!. Improves Bass Quality and Reduces Bass Distortion. / Kill unwanted noise, rattles, vibrations. Reduce exhaust and engine noise. Aluminum-coated for heat-resistance . 72mil thickness. Full car installation reduces unwanted noises 5-8 dB. We use the highest quality high-tack self-adhesive to make your installation quick and easy!. Our model has new and improved increased flexibility for an easier installation and top sound quality!. Permanent installation with ability to withstand even the highest temperatures!. Waterproof material! / Dimensions per sheet: 12" inch Length x 36" inch Width x 0.07' sheet Depth. Raw Material: 90% high absorbent butyl rubber and 10% pure-grade aluminum . High-Tack Self-adhesive. Reduces unwanted noises 5-8 dB. Adhesive temperature range of -100F to 300F (-60C to 150C).. Material Color: Black. Weight: 8.55 (Lbs.) per box. Shipping weight: 9.48 LBS. Shipping Dimensions: 16.34" x 14.57" x 2.36". -. Label : Polk Audio -. Manufacturer : Polk Audio -. Model : MM842DVC+RM12-B -. MPN : MM842DVC+RM12-B -. PackageQuantity : 1 -. PartNumber : MM842DVC+RM12-B -. ProductGroup : Car Audio or Theater -. ProductTypeName : CAR_AUDIO_OR_THEATER -. Publisher : Polk Audio -. Studio : Polk Audio -. Title : Polk Audio MM842DVC 8” 900 Watt DVC 4-Ohm Car/Marine Audio Subwoofer Sub+Rockmat -. UPC : 613815916376