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Amazon.com: SENNHEISER HD 660S2 - Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black : Electronics
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Amazon.com: Geekria Apollo Copper Silver Mixed Upgrade Audio Cable Compatible with Sennheiser HD-599 HD-598 HD-579 HD-400PRO, 2.5mm Replacement Headphones Cord for Hi-Resolution Audiophile, HiFi Headset (4ft) : Electronics
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Amazon.com: SENNHEISER HD 660S2 - Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black : Electronics
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Amazon.com: Geekria Apollo Copper Silver Mixed Upgrade Audio Cable Compatible with Sennheiser HD-599 HD-598 HD-579 HD-400PRO, 2.5mm Replacement Headphones Cord for Hi-Resolution Audiophile, HiFi Headset (4ft) : Electronics
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Amazon.com: Sennheiser HD 560 S Over-The-Ear Audiophile Headphones - Neutral Frequency Response, E.A.R. Technology for Wide Sound Field, Open-Back Earcups, Detachable Cable, (Black) (HD 560S) : Electronics
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Amazon.com: Geekria QuickFit Audio Cable Compatible with Sennheiser HD 560 S, HD599, HD598, HD 598SE, HD 598CS, HD 598SR, HD579, HD569, HD400 PRO Cable, 2.5mm Jack AUX Replacement Stereo Cord (6 ft /
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