You can also check ALPINE DDT-S30 Car Stereo Speakers Music Soft Dome Balanced Car Tweeters 360W and Skar Audio RPX46 150 Watt 2-Way 4"x6" Coaxial Speaker System, Pair for a better comparison at Speakerscar.net.

The rpx4 2-way are great factory replacement speakers, and sound.
They work radio power, and quality materials as a paper cone rubber these speakers design allow to offer great and The speakers a 20mm premium tweeter.
Frequency response: 50-20,000 Hz.
Sold as pair.
Impedance: power: 120 (pair), rms 30 (pair).
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