Receiver, remote, all 4 speakers and center speaker work. The subwoofer does not turn on anymore, take it or leave it. * 5.1 channel home theater receiver/amplifier with 375 watts of total power (5 x 75W) * 3D enabled HDMI pass through technology (HDMI 1.4a); all sources are up converted to HDMI * High definition audio support Dolby TruHD, DTS HD Master Audio, and Dolby Pro Logic IIz for front height effects channels * Audyssey MultEQ dynamic room acoustic correction system with included microphone * Measures 17 3/32 x 6 47/64 x 15 inches (WxHxD); weighs 20 pounds, 4.5 ounces * {url removed}