JBL LC2 4-Way, High Performance 6-inch Dual Wall-Mountable Center Channel Loudspeaker (Black) 1" pure titanium dome tweeter for exceptional high frequency performance 3/4" Mylar-dome, cast-frame chassis mounted in a bi-radial horn for better high frequency repsonse Aluminum waveguides provide better dispersion and a larger listening sweet spot. Gold-plated, 5-way bi-wirable binding post Freeflow port technology delivers great sound and makes sure you get the lowest amount of distortion Refer Installation manual under Product Details before use