SPEAKERS ARE LINEAR DESIGN 3500 BOXES ONLY ALL DRIVERS HAVE BEEN UPGRADED.VIFA TOP END TWEETERS AND MIDS.BASS DRIVERS ARE JAYCAR 350 WATT UNITS.MAKE NO MISTAKE THESE ARE LOUD AND DETAILED.CROSS OVER NETWORKS HAVE BEEN UPGRADED AS WELL AMP IS NAD 2100 4 CHANNEL.RUNS 120 WATT AT 4 OHMS.HEAD ROOM IS 220.LINKED TO AMP IS BEHRINGER DUALFEX PRO SOUND ENHANCER EXCITER MODEL EX2200 LINKED TO VESTAX 4 CHANNEL ISOLATOR MODEL DCR 1200 PRO.MAKES SYSTEM SOUND REALLY USABLE.ALSO IS RACK MOUNT TUNER PYLE PRO PT504.CAN BE HEARD IF U SERIOUS BUYER ONLY.THIS SYSTEM GOES OFF.COMES WITH ALL CABLES ETC. .