Features: 6.5" 3-Way Speakers, Slim Design, Power Handling: 60 Watt Max, Power Handling: 30 Watt RMS, Polypropylene woofer, PET dome tweeter with a neodymium magnet, Frequency Response: 60-20000Hz, Impedance: 4 Ohms, Sensitivity: 86 dB | Blaupunkt | | BPS-XS650 6.5" 70 Watt Max 3-Way Slim Design Car Speakers (Pair) | Best Buy