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Sennheiser HD 660 S Open, Dynamic Lightweight Circumaural Headphones with Low Impedence and Improved Transducer Design for Audiophiles, Black: Amazon.co.uk: Musical Instruments & DJ
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Geekria Mesh Fabric Headband Pad Compatible with Sennheiser HD650, HD660 S, HD6XX Headphone Replacement Headband/Headband Cushion/Replacement Pad Repair Parts (Black).: Amazon.co.uk: Electronics & Photo
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