Alpine SPS-609
Details:
6"x9" 3-way speakers (pair)
polypropylene-mica woofer cone with air-injected rubber surround
5/8" poly dome tweeter and 1" silk dome midrange
power range: 2-85 watts RMS (260 watts peak power)
frequency response: 65-23,000 Hz
sensitivity: 90 dB
top-mount depth: 3-1/16"