Hifonics HFI65CX 6.5" 750 Watt 2 Way Car Speakers - 750 Watt MAX - 50 Watt RMS - Polypropylene Speaker Cone - Rubber Surround - 1/2" Neo Mylar Soft Dome Tweeter - Anti-Resonant Stamped Steel Basket - High Temperature Voice Coil - Impedance: 4 Ohm - Sensitivity" 89dB - Frequency Response: 75-20kHz - Installation Hardware and Grills Included - Product Condition: BRAND NEW - Part Number: HFI65CX Series: HF Type: 2-way Speaker Woofer Material: Polypropylene Surround Material: Butyl rubber Tweeter: 1/2" Neo Mylar Soft Dome Tweeter RMS Power: 50 Watts Sensitivity: 89 dB Frequency Response: 75-20kHz