Adattatore cavo auricolare audio jack cuffie 2,5mm femmina a 3,5mm/4,4mm maschio

2.5mm female(4poles) to 3.5mm male(3poles) adapter，TRS，unbalanced(Single-end)，stereo. 2.5mm female(4poles) to 4.4mm male(5poles) adapter，TRRRS，balanced. 3.5mm female(3poles) to 2.5mm male(4poles) adapter，TRRS，balanced，.

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