IEK-100/LP - CDT Audio 1" Silk Imaging Tweeters with Level Control Unit IEK-100/LP - CDT Audio 1" Silk Imaging Tweeters with Level Control Unit Power Handling: 180 Watts (when used w/ CDT Crossovers) Surface mount glass attachment by means of special double adhesive pad. Mounting requires no drilling, cutting. Tweeter Level Control Unit