Check the listing for details. Rockville SK510 PACKAGE 10" 1200w Loaded K5 Car Subwoofer Enclosure+DB11 Amp. Condition: New. Listed at 169.95 USD. Car Audio & VideoPro AudioMarine AudioLighting Karaoke Home/Portable Audio Rockville SK510 PACKAGE 10" 1200w Loaded K5 Car Subwoofer Enclosure+DB11 Amp --> Click Thumbnails to Enlarge Condition and Warranty Condition: BRAND NEW IN ORIGINAL PACKAGING Warranty: 1 YEAR AUDIOSAVINGS Product Description Video of K5 Series UPDATED: Loaded Sub Enclosure Features: Rockville Single 10" K5 1200w Car Subwoofer Pre-loaded In Vented Sub Enclosure Peak Power Handling: 1200 Watts Program Power Handling: 600 Watts CEA Rated RMS Power Handling: 300 Watts Final Impedance: 4 Ohm ¾” MDF enclosure Bonded stapled and braced Computer designed vents Angled at 15 % for perfect bass alignment High quality aviation grade tweed carpet Satin Nickel speaker wire push terminals Enclosure air space is 1.0 Cu Ft per sub Vent dimensions (inches): 2" x 6.5" x 8" Tuning frequency of enclosure: 35 Hz 2" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire The wire we use to wind the voice coil is imported from Japan which is way better quality than the standard China wire 40 Oz High Quality Magnet Cast Iron Basket With Black Sanded Finish Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone – This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion Blue Stitching Cone Reinforcement Ensures Long Life Polypropylene Dust cap Gold-Plated spring loaded push terminals Impedance: Single 4-Ohm Voice Coils Vented Hole on T-yoke Enhances Heat Dissipation Mounting Gasket with Rockville branding Makes it Easy To Mount the Subwoofer Air-Tight High BL Magnetic Motor Gap High grade black glue that handles extremely high temperatures which allows our woofer to handle even more power Cutout Diameter: 9.05 inches Mounting Depth: 4.52 inches Frequency Response: 28 Hz - 1.3K kHz 6mm T-Yoke + 6mm Washer Sensitivity: 87.7dB Loaded enclosure weight: 33.2 Lbs. Loaded enclosure dimensions (inches): 16.25” x 13” x 14.25” Features of Amplifier: Rockville dB11 1400w/700w RMS 2-Ohm Class-D Mono Car Amplifier and Bass Remote CEA Compliant Power Ratings (Rated at less than 1% distortion) (Use these CEA ratings when matching and comparing with other CEA compliant brands such as Kicker, Rockford Fosgate, etc.) - 2 Ohm: 350 Watts x 1 Channel