Kicker 6" Coaxial Speakers (pair) 11KS60
The KS60 6" 2-way speakers use heavy-duty polypropylene cones supported by Santoprene rubber surrounds. These speakers can handle high-level playback without straining, especially when they're powered by an outboard amplifier. Each speaker sports a titanium 3/4" dome  Tweeter that broadcasts plenty of high-frequency sparkle, so you'll hear all the sonic details that make your tunes exciting.Features:Sensitivity -  90 dB   Top-mount depth -  1-15/16   Warranty -  1 year