New Planet Audio AC8D 8" 1200W Dual 4-OHM Car Subwoofer+Shallow Enclosure Planet Audio AC8D 8" 1200w Dual 4-OHM Car Subwoofer, Poly Injection Cone Sub. RMS Power: 600 Watts. Peak Power: 1200 Watts. Black poly injection cone. Customizable trim ring Mounting Depth: 3 13/16". FS: 35 Hz. Qes: 0.66. Qms: 9.52. Qts: 0.61. Vas: 3.083 CuFt. Xmax (One-Way):10 mm. Sensitivity (1W/1m): 84 dB. Recommended Sealed Enclosure: 0.458 CuFt Rockville RSST8 Single 8" .44 cu. ft. 3/4" MDF Sealed Shallow/Truck Subwoofer Enclosure Box. Proudly Made In The USA, Using Only The Finest Quality Materials - For The Best Level of Performance From Your Subs! Designed For 8" Shallow Mount Subwoofers. Machine precision cut mounting holes.  USA Heavy Duty MDF Construction. Top of the line Glue for extra durable adhesion High quality GOLD spring loaded terminals. Designed, tested, and engineered to work perfectly with high powered subs. Designed to give the best sound quality