Polk Audio 4X6" Coaxial Speaker 240W Max

4"e;x6"e; 2-way car speakers (pair)
Dynamic Balance polymer/mica composite woofer with butyl rubber surround
3/4"e; liquid-cooled silk/polymer composite dome tweeter
Neodymium tweeter magnet
Kapton voice coil
built-in 2-way crossover network
marine-certified for use in boats, convertibles, motorcycles, and ATVs
power range: 4-40 watts RMS (120 watts peak power)
frequency response: 75-22,000 Hz
sensitivity: 91 dB
top-mount depth: 2"e;