VIBE CVEN2.5SQM-V9 2.5" 7cm 4Ohm High End CVEN Car Audio Midrange DriversVIBE CVEN2. 5SQM V9 2. 5" 7cm 4Ohm High End CVEN Car Audio Midrange Drivers The CVEN2. 5SQM V9 Midrange Tweeters are interesting and unusual only 2 inches in size. Their outer diameter is 6 cm. The mounting depth is 3. 7 cm. The cones of the cones are made of cellulose composite, and the caps, like those of the woofers midrange speakers, are carbon fibre. Magnetic systems are based on neodymium magnets. Here, too, there is a large axial channel closed