Package: Kicker 11DS65 6.5" 2 Way DS Series Pair Of Coaxial Car Speakers + Kicker 11DS525 5.25" 2 Way DS Series Pair Of Coaxial Car SpeakersFeatures:Drop-in factory upgrade for easy fitment into any vehicleHeavy-duty motor structure for improved performanceExtended Voice Coil (EVCTM) technology for ultra-clean bassRibbed UV-treated surround for precise linear excursion and optimum soundBalanced-dome tweeters for outstanding definitionWoofers: 6-1/2" (16.5 cm)Tweeters: 1/2" (1.3 cm)Impedance: 4 OhmPeak Power Handling: 100 wattsPeak RMS Handling: 50 wattsSensitivity: 90 dB 1w/1mFrequency Response: 40-20,000 HzMounting Hole Diameter: 5-1/2" (14 cm)Mounting Depth: 1-13/16" (4.6 cm)Grilles: YesDrop-in factory upgrade for easy fitment into any vehicleHeavy-duty motor structure for improved performanceExtended Voice Coil (EVCTM) technology for ultra-clean bassRibbed UV-treated surround for precise linear excursion and optimum soundBalanced-dome tweeters for outstanding definitionWoofers: 5-1/4" (13.0 cm)Tweeters: 1/2" (1.3 cm)Impedance: 4 OhmPeak Power Handling: 70 wattsPeak RMS Handling: 35 wattsSensitivity: 90 dB 1w/1mFrequency Response: 45-20,000 HzMounting Hole Diameter: 4-1/2" (11.5 cm)Mounting Depth: 1-7/8" (4.8 cm)Grilles: Yes