Available at amazon, Polk Audio RM6750 5.1 Channel Home Theater Speaker System features 2 front, 2 surround speakers and 1 center-channel speaker with 3.25" polymer-composite cone drivers and 0.5" silk & polymer-composite dome tweeter, 1 subwoofer with 8" long-throw dynamic-balance poly-composite driver, 40Hz - 24000Hz system response, 100 Watts per speaker, more.
