BOSS Audio Systems BRS40 50 Watt, 4 Inch, Full Range, Replacement Car Speaker Sold Individually

Impedance: 4 Ohms, Frequency Response: 100 Hz - 18 kHz, Sensitivity: 82 dB Cone: Polypropylene, Voice Coil: 1 Inch Aluminum Surround: Foam, Basket: Stamped Dimensions: Depth 4.1” x Width 4.1” x Height 1.8”, Weight Per Pair: 1 Lbs. 3 Year Platinum Online Dealer Warranty