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Message: [QUOTE="RReed43, post: 5967114, member: 167722"] To amplify the Shakers I purchased two Dayton Audio SA 70W Sub Woofer Amplifiers from Parts Express. The audio output from the Multi AV on the PS3 is fed to the amplifiers, right channel to one amplifier and the left channel to the other amplifier. You need two sub woofer amplifiers because they combine the left and right channels and you lose separation. These are pretty big units and I haven't figured out where I'm going to put them permanently so for now they are sitting on the floor in front of the pedals. [img]http://img194.imageshack.us/img194/2959/amplifiers8390.jpg[/img] One of the advantages of these amplifiers is that they contain both a volume control and a frequency cut off control. The cut off frequency is critical to isolating the LFE from the music in the audio feed. They seem to be doing a pretty good job but I purchased a used audio equalizer on ebay which I will try out a a front end to the amplifiers and see if they improve performance. This is the control panel on the amplifiers. [img]http://img593.imageshack.us/img593/505/amplifierpanel8392.jpg[/img] [/QUOTE]