Speaker Size 6-1/2" Design 2-way Tweeter Design Dome Tweeter Size 1/2" Tweeter Composition Polyethylene-Naphthalate Woofer Composition Polypropylene Woofer Surround Foam Peak Power Handling 240 watts RMS Power Handling 60 watts Sensitivity 90 dB Frequency Response 40 - 20000 Hz Impedance (Per Voice Coil) 4 ohms Top-Mount Depth 1-11/16" Cutout Dimensions 4-13/16" Speaker Grilles: Yes