JL, this is one of the ironies of the high-end speaker wire scam. It ignores the hundreds of feet of "cheap" wire involved in the production of their CDs and DVDs and the wire immediately inside the speakers(which of course horrifies some of the misguided who happen to look inside). Also, the speaker drivers themselves have well over 100 feet of wire with gauges in the 20s and 30s. So, no, you don't need different wire either inside or outside of the speakers.

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Enjoy the music, not the equipment.