Recommended for professional audio as a mid-bass in either vented or sealed satellite or floor monitor enclosures. Also works nicely in vented two-way enclosures used for small coverage areas. Coaxial design for extended HF. HF device sold separately. Specifications: *Power handling: 250 watts RMS *VCdia: 2" *Le: 1.01 mH *Impedance: 8 ohms *Re: 5.57 ohms *Frequency range: 66-20,000 Hz (with super tweeter) *Magnet weight: 38 oz. *Fs: 43 Hz *SPL: 96.7 dB 1W/1m *Vas: 5.7 cu. ft. *Qms: 6.69 *Qes: 0.51 *Qts: 0.48 *Xmax: 3.0 mm *Driver Dimensions: Overall Diameter: 12.03"", Cutout Diameter: 10.95", Mounting Depth: 4.47"". Eminence