Bowers & Wilkins P7 Mobile Hi-Fi Headphones

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Beyerdynamic DT 990 Premium 600 Ohm Headphones

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Fostex TH-600 Premium Dynamic Stereo Headphones with 50mm Drivers

Master&Dynamic MH30

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Siberia 200 | SteelSeries

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Amazon.com: Sennheiser HD 800 Reference Dynamic Headphone: Electronics