15"" Passive Subwoofer System, 15"" Woofer provides deep, pounding bass, Vented bass ports help to extend low frequency response, Rugged and durable construction for professional use, Dual Speakon inputs allow you to connect to almost any pro sound system, Durable carpet covering for road use, Integrated convenient metal carrying handles for transportation, 35mm Stand pole mountable, SPL: 100 dB max, Impedance: 8 ohms, Power Handling: Peak: 1200 Watts, SKU: TBALL10174