Audio company Kicker sued Techtronics, theXmarketing.com, and Amazon resellers Techtronics Inc. and Amazing Dealzzz, accusing the defendants of improperly selling Kicker products, using Kicker trademarks, and altering or removing serial numbers from Kicker products that they were selling. Kicker uses the registered KICKER mark on audio components, primarily speakers, that it sells through authorized resellers. It asserts that the defendants, who are not authorized resellers, are nonetheless selling Kicker speakers bearing the KICKER trademark. The defendants did not receive Kicker training in proper installation of its speakers, and speakers sold through defendants do not come with Kicker’s warranty. Thus, according to the complaint, the defendants’ KICKER goods are materially different than those of Kicker and its authorized resellers. Kicker brings claims of trademark infringement, tortious interference with business relations in connection with defendants receiving inventories of Kicker speakers from authorized Kicker dealers, and unfair competition. It is not clear why Kicker chose to file suit in Massachusetts, given that it is an Oklahoma corporation and it asserts that defendants are located in California. The case is before Judge Zobel.