Car Audio Super Tweeters With Built In Crossovers 500 Watt 5 Pairs XTC-3300 Audiopipe XTC3300 Tweeter 160 Watts Xxx Clamshell Packaging All electronic products are packaged for sale in the US with US voltage Mini tweeter 1-3/8 diameter x 5/8 (not including mounting base). 97 db. Frequency response: 5 - 20 khz Surface or angle mount.