BOSS Audio R63 300 Watt (Per Pair), 6.5 Inch, Full Range, 3 Way Car Speakers (Sold in Pairs) Impedance: 4 Ohms, Frequency Response: 100 Hz - 18 kHz, Sensitivity: 92 dB Cone: Poly Injection, Voice Coil: 1 Inch Aluminum Surround: Rubber, Basket: Stamped One Tweeter and One Mylar Dome Midrange Per Speaker Included: Grills Dimensions: Depth 6.7 x Width 6.7 x Height 2.3, Weight Per Pair: 3.5 Lbs. 3 Year Platinum Online Dealer Warranty