BOSS Audio P45.4C 250 Watt (Per Pair), 4 Inch, Full Range, 4 Way Car Speakers (Sold in Pairs) Impedance: 4 Ohms, Frequency Response: 85 Hz - 20 kHz, Sensitivity: 93 dB Woofer Cone: Electroplate Injection, Voice Coil: 1.5 Inch Aluminum Surround: Rubber, Basket: Cast Two Tweeters and One Mylar Cone Midrange Per Speaker Included: Grills and Magnet Covers Dimensions: Depth 5 x Width 5 x Height 2.3, Weight Per Pair: 3.3 Lbs. 3 Year Platinum Online Dealer Warranty