Polk DB1001 1" Dome Tweeter

1? Liquid-cooled Silk/polymer Dome Tweeter (pair)
Neodymium Magnet
In-line 12 Db/octave Passive Crossover
Electronic Tweeter Protection Circuit
Flush- And Surface-mount Swivel Cups
Stainless Steel Mounting Hardware
Certified For Marine Use
Power Range: 6-60 Watts Rms (180 Watts Peak Power)
Frequency Response: 4,000-23,000 Hz
Sensitivity: 92 Db
Top-mount Depth: 1?