Rockville RVB12.1A 12 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Rockville RBV12.1A Single 12” 500 Watts Active Subwoofer Enclosure. Size: 12”. Peak Power: 500 Watts. RMS Power: 300 Watts. Nominal Impedance: Single 4-Ohm. 2” Voice Coil. Inverted Carbon Graphite Molded Dust Cap.</li><li>Kevlar Reinforced Pulp Cone. Matte Black Custom Molded Grill. Double Laminated Foam Surround， Stitched to Cone. Frequency Response: 30Hz - 150Hz. Sensitivity: 93dB. Anti-Vibration Braced MDF Cabinet.</li><li>Hatchback Style， Angled Back Fits Perfectly Against Rear Seats. Computer Tuned Bass Reflex Port. Blue/Black Aviation Grade Tweed Carpet with Embroidered Rockville Logo. Class AB Amplifier. High Speed MOSFET Power Supply.</li><li>High Level Speaker Inputs. Low Level RCA Inputs. Built-In Low Pass Crossover (30Hz - 150Hz). Accepts up to 8 Gauge Wire. 100mV - 5V Input Voltage. Power (Blue) &amp; Diagnostic (Red) LED Indicators. 20A Fuse.</li><li>Dimensions (H x W x D): 17” x 14.75” x 15.25”.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ZsQYikQML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51w7bwxvC3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51yhoaBJr5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51LwKQqmfwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51XddubDLHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ADULiMnyL.jpg" noproxy>