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DIY MMCX Cover Part Speaker For Koss Porta Pro PP KSC75 Headphone Headset 4.4mm 2.5mm Balanced Cable 3.5mm Stereo Micrphone - AliExpress
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Amazon.com: Koss KSC75 Portable On-Ear Clip Headphones, Retro Style, Ultra Lightweight, Silver and Black : Electronics
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