1" 4 Ohm Horn Loaded Tweeter
RMS Power: 75 Watts
Peak Power: 150 Watts
Frequency Response: 3kHz-23KHz
Sensitivity: 102db @ 1W/1M
Mounting Depth: 1.5"
Flush Mount Design
4 inches in diameter.
like i said theyre brand new never tried or mounted. you should buy em and find out : )