2-way Component set Sensitivity: 84dB (+- 1.5dB) Frequency Range: 32 Hz to 49 kHz Continuous Power Handling (RMS): 90 Watts Maximum Peak Power Handling: 270 Watts Nominal Impedance: 4 ohms Woofer diameter: 6.5” Cone Material: Aramid Fiber Interlaced Injection Molded Polypropylene (IMPP) Center Cap Material: Polyethylene Terephthalate (PET) Surround Material: Butyl Rubber Magnet Material: Ferrite Magnet Weight: 11.3 oz Tweeter type: Soft Dome Diameter: 26mm Diaphragm Material: Polyester Magnet material: Neodymium Magnet weight: 6.4 g Swivel Type: Yes Crossover frequency: 3500 Hz What’s in the Box (2) woofers (2) tweeters (with attached 4″ speaker leads terminated with quick-connects) 2 Lengths of speaker wire (2) Woofer grilles (2) Flush mount tweeter housings (with tweeters installed) (2) Factory tweeter mount brackets (4) 1/2″ Screws.