Polk 6.5" Slim Mount Coaxial Speaker 180w Max

6-1/2&quote; 2-way car speakers for shallow mounts
Dynamic Balance polymer/mica composite woofer with butyl rubber surround
3/4&quote; liquid-cooled silk/polymer composite dome tweeter
Neodymium tweeter magnet
Kapton voice coil
built-in 2-way crossover network
ABS wheel-design grilles
stainless steel mounting hardware
certified for marine use
power range: 6-55 watts RMS (180 watts peak power)
frequency response: 50-22,000 Hz
sensitivity: 92 dB
top-mount depth: 1-3/4&quote;