Planet Audio BB65 Big Bang 400 Watt (Per Pair), 6.5 Inch, Full Range, 4 Way Car Speakers (Sold in Pairs) Impedance: 4 Ohms, Frequency Response: 50 Hz - 20 kHz, Sensitivity: 85 dB Cone: Poly Injection, Voice Coil: 1 Inch Aluminum Surround: Rubber, Basket: Cast Aluminum 2 Tweeters and 1 Mylar Cone Midrange Per Speaker Included: Grills and Magnet Covers Dimensions: Depth 6.5 x Width 6.5 x Height 2.3, Weight Per Pair: 3.8 Lbs. 3 Year Platinum Online Dealer Warranty valid only on products Sold / Shipped by Amazon.com. This offer is not valid on purchases made from third party market place sellers