Hosa Technology 3.5mm TRS to 1/4" TRS Headphone Adapter GHP-105
Furutech F 35g Headphone DIY Connector adaptor
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Minelab Equinox Headphone Adaptor Cable 3.5mm (1/8-inch) to 6.35mm (1/ – Metal Detecting Stuff
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3X Quality Headphone Adapter Stereo GoldPlug 1/4Inch (6.3mm) Male to 1/8Inch (3.5mm) Female - Walmart.com
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