[. . . ] Force i Sub 18-Inch Compact Subwoofer Speaker System Key Features: · · · · · · · 18-inch cast frame driver with 350 watts continuous, 700 watts program and 1, 400 watts peak power handling Built-in input filter for single-amp drive capability. [. . . ] The integrated input filter is tuned to work seamlessly with Force i Series two-way enclosures. Capable of handling 700 watts of program power, it is the perfect system complement to the Force i 15-inch two-way, or even the Force i Monitor. Force i Sub comes with a 34-inch steel pole for mounting either a Force i 15-inch two-way or Force i Monitor. Rear mounted casters and a "luggage style" telescoping handle make the Force i Sub easy to transport. For maximum performance mount a Force i two-way enclosure on the included pole and power both units with one channel of an Electro-Voice CP2200 power amplifier, or Dynacord Powermate powered mixer. Technical Specifications: Freq. Range (-10 dB) : 1 2 42Hz - 160Hz 32Hz - 600Hz Continuous Pwr Handling : 350W Program Pwr Handling 1 : 1 700W Short Term Pwr Handling : 1400W Dispersion Sensitivity (1W / 1m): Essentially Omnidirectional 100dB Impedance (Nominal /Min. ): 8 ohms / 6. 8 ohms Max. [. . . ] For customer orders, contact Customer Service at: + 1 952 884-4051 Fax: + 1 952 887-9212 For warranty repair or service information, contact the Service Repair department at: 800/685-2606 For technical assistance, contact Technical Support at: 866/78AUDIO Specifications subject to change without notice. [. . . ]