6 1/2' Polypropylene Cone Woofer with Sealed Voice Coil, Rubber Surround and Silicone Encased Leads 1/2' Polyamide Dome Tweeter with Silicone Encased Leads, Coaxially Mounted Crossover Type: 2-Way Sensitivity: 91dB 1W/1m Power Handling: 80 Watts Impedance: 8 Ohms Frequency Response: 40Hz - 20kHz Material: Rubber Dimensions: (H x W x D) 9 1/8' x 13' x 10 1/2' (233 mm x 330 mm x 267 mm)