OSD Audio RS820OM 8-inch High Power Omni 360-Degree Outdoor 250-Watt Rock Speaker, Granite Grey 8" Polypropylene Cone Woofer with Sealed Voice Coil and Silicone Encased Leads | 1.5" Polyamide Dome Tweeter with Silicone Encased Leads, Coaxial Mounted All-Weather Versatility | Rigid, Acoustically Inert Enclosure, Aerospace Grade Multi-layer Composite Cabinetry Frequency Response 34Hz - 20kHz | Sensitivity 90db Power handling: 250W | Impedance: 8 ohms Dimension: 19"L x 12"W x 18.5"H Shipping: This item does not ship outside the U.S