I found a link on the THX site that is to "Order THX Optimizer Glasses"

It points to the following email address:
mktg@thx.com

No subject, just an email address. You could try that too.
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http://ht.buol.us
2-M60s, VP180, VP150, 4-QS8s, 4-M3s, SVS 20-39PCi, DIY Sub, 8-Shakers, JVC RS45