DELCO Tweeter 1-5/8" Diameter 6 OHMS.. to be used in high end audio sound applications,mylar tweeter element, with phase lens. Perfect for small compact speaker projects. Rear mounted may be required due to terminal locations. Power handling : 20watts/rms,. 40 watts max, 6 ohms, frequency range 6,000-20,000 hz, fs  42,000 hz, spl 87 db, 2.83/1m dimensions,  overall diameter 1-3/8" , cut out diameter 1-1/4",. Mounting depth 5/8" sold in pair. Two tweeters ,.