KICKER CS Series CSC65 6.5 Inch Car Audio Speaker with Woofers (2 Pairs);

The CS Series delivers remarkable performance and ultra-clean bass, utilizing a heavy-duty motor/magnet structure featuring EVC (Extended Voice Coil) technology not found in stock speakers. They use polypropylene cones with tough, ribbed, UV-treated surrounds for precise linear excursion and reliability.The CS 6-1/2-Inch Coaxial Speakers are the perfect way to upgrade you factory speakers.
Using zero protrusion PEI tweeters and a thick polypropylene woofer ensures you get every bit of clarity you need, without interfering with factory grilles. These CS speakers work best with 100 watts of recommended power.

Features:

Pair KICKER 43CSC654 6.5" 6-1/2" 300w 4-Ohm Car Audio Coaxial Speakers 
Speaker Design: 2 - way
Woofer Size: 6 1/2 in. (160 mm)
Tweeter Size: 1/2 in. (13 mm)
DC Resistance: 3.3 ohms
Peak Power: 300 Watts per speaker / 600 Watts per pair
Continuous Power (RMS): 100 per speaker / 200 Watts per pair
Sensitivity: 90 dB @ 1W, 1m
Effective Frequency Range: 40Hz - 20kHz
Mounting Hole Diameter: 4 13/16 in. (123 mm)
Top Mount Depth: 3/8 in. (9 mm)
Bottom Mount Depth: 1 11/16 in. (43 mm)
Grilles: Yes
Tweeter Magnet Material: Neodymium
Tweeter Dome Material: PEI (polyether imide)
Tweeter Design: Balanced dome
Woofer Cone Material: Polypropylene
Woofer Surround Material: Polyester foam