The two-way design handles 300 watts max. power (40 watts nominal) and features Pioneer's extremely strong and lightweight Injected Molded Polypropylene (IMPP) Composite Cone Woofer for improved sensitivity and reduced distortion. The conex damper delivers higher power handling and deeper bass, and the 1-3/16" Balanced dome tweeter reproduces highs with great performance and musicality. Designed with a shallow mounting depth for easy install into a wide variety of vehicles. Progressive Flex Suspension System supports the voice coil effectively by dampening the large cone vibration and enhancing linearity of sound reproduction. Its soft part makes movement smooth and reproduces clear sound and at excessive input, its hard part controls excessive vibration and prevents movement error. Size: 6-1/2 Design: Coaxial 2-Way Tweeter Design: 1-3/16" Balanced Dome Tweeter Composition: Polyethylene Terephthalate (PET) Woofer Composition: Injected Molded Polypropylene (IMPP) with MICA Woofer Surround: Rubber Coated Cloth Woofer Magnet Composition: Ferrite Max. Music Power (Nominal): 300W (40W) Frequency Response: 31 Hz to 18 kHz Sensitivity (1W/1 m): 89 dB Impedance: 4 Ohms Mounting Depth: 1-3/4" (in.) Cut-Out Dimensions: 5" (in.)