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3.5mm Headphone Adapter Jack Plug Converter | Audio-technica M50x | M50x Jack Adapter - Protective Sleeve - Aliexpress
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Sennheiser Universal 1/8" to 1/4" Headphone Adapter 549346 B&H
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Sennheiser 1.4m Audio Cable with 3.5mm Jack Plug for Momentum Headphones, Black 552704