Amazon.com: Audio-Technica ATH-M50x Professional Monitor Headphones + Slappa Full Sized HardBody PRO Headphone Case (SL-HP-07) : Electronics
Amazon.com: Audio-Technica ATH-M50X Professional Studio Monitor Headphones, Black, Professional Grade, Critically Acclaimed, with Detachable Cable : Audio-Technica: Musical Instruments
Audio-Technica adds blue/black limited edtion version of M50x headphones
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