IFi Audio Headphone Adapter - 3.5mm and 2.5mm to 4.4mm Pentaconn. Gold-plated 4.4mm balanced Pentaconn headphone jack. iFi Audio Headphone Adapter - 3.5mm to 4.4mm. Gold-plated headphone socket. Lightly used once or twice, they are expertly tested, cleaned, and fully functional.
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