Kicker DSC40 DS Series 4" 4-Ohm Coaxial Speakers.

The DS Four-Inch Coaxial Speakers are a perfect upgrade for great sound in your car doors. Using zero protrusion PEI tweeters ensures you get every bit of clarity you need without interfering with factory grilles. A stamped steel framework supports a ribbed UV-treated foam surround and rigid polypropylene cone with EVC (Extended Voice Coil) technology for the best sonic quality. These DS speakers work best with 30 watts of recommended power. Kicker DSC40 DS Series Coaxial Speaker Specifications:
Woofers [in mm]: 4 100
Midranges [in mm]: N/A
Tweeters [in mm]: 1/2 13
Impedance [Ohms]: 4
Max Rec. Amp Power [watts peak]: 50
Max Rec. Amp Power [watts RMS]: 6-25
Sensitivity [dB 1w/1m]: 88
Response [Hz]: 60-20k
Mounting Depth [inmm]: 1-13/16 4.6
Mounting Diameter [in mm]: 3-3/4 95
Grilles: yes.