Showcasing an easy to install, low-profile design, the Polk Audio GXR6E coaxial speaker offers high-quality sound reproduction. Moreover, the high-efficiency 1/2-inch tweeter of this Polk Audio car speaker reproduces smooth, clean and detailed highs. Additionally, incorporating sturdy, lightweight, and waterproof Duralam composite woofer cone, the Polk Audio GXR6E car speaker produces a superior bass output. Furthermore, featuring a frequency response of 60 Hz to 21 KHz, this coaxial speaker facilitates excellent sound production not only of the lowest sounds but also at high pitch. Furthermore, this Polk Audio car speaker boasts an airtight butyl rubber surround to safeguard against harsh environmental conditions.