1"Soft Dome Tweeter/Ferrite Magnet/6O/Frequency Range: 1500~25000Hz/Half Space Sensitivity @ 2.83V/1m: 90.1dB
Details: http://www.c-audioloudspeakers.com/Products.aspx?Page=1&Category=SOFT DOME SERIES&Title=P13-0430
P13-0430/1"Soft Dome Tweeter/Frequency Range:1.5~25KHz