3.5mm Male to 2.4mm Male Precision Adapter PN: P-3.5M-2.4M-138
3.5mm Male to 2.4mm Female Precision Adapter PN: P-3.5M-2.4F-136
3.5mm Female to 2.4mm Male Precision Adapter PN: P-3.5F-2.4M-137
3.5mm Female to 2.4mm Female Precision Adapter PN: P-3.5F-2.4F-135