The GTx352 3-1/2" speakers feature titanium-injected polypropylene woofers that deliver accurate, full-bodied sound. Mylar semi-dome tweeters reproduce the vocal and instrumental details smoothly and cleanly. Give your car's stereo system a new lease on life — Blaupunkt's GT speakers bring back all the sounds that your old factory speakers miss. Details: 2-way 3-1/2" speakers (pair) titanium-injected polypropylene woofer with treated foam surround 1" Mylar semi-dome tweeter power range: 2-25 watts RMS (110 watts peak power) frequency response: 90-20,000 Hz sensitivity: 90 dB top-mount depth: 1-1/2" warranty: 1 year