Letter to Lisa R. Barton, Secretary, USITC; requesting that the Commission conduct an investigation under section 337 of the Tariff Act of 1930, as amended, regarding Certain Wireless Audio Systems and Components Thereof. The proposed respondents are: DTS, Inc., Calabasas, CA; Phorus, Inc., Calabasas, CA; MartinLogan, Ltd., Lawrence, KS; Paradigm Electronics Inc., Canada; Anthem Electronics, Inc., Canada; Wren Sound Systems, LLC, Phoenixville, PA; McIntosh Laboratory, Inc., Binghamton, NY; Definitive Technology, Owings Mills, MD; and Polk Audio Inc., Vista, CA.