For Sony MDR-Z7 MDR-Z7M2 MDR-Z1R Headphone 4.4mm Balanced to 3.5mm Replaceable Cable Size:Black 4.4mm balance and the straight plug is

and the straight plug is the headphone side plug

etcFor: SONY: MDR-Z7

5mm headphone plug 2

5mmOuter diameter: 3mmFor: BOSE 700 QC25 QC35 QC45 AE2 AE2i AE2W OE2 OE2i Creative LIVE2Beyerdynamic DT240proAKG Y50 Y50BT Y55 Y40 Y45 Y45BT K545 N60C K845BT K490NC Sennheiser PXC450 PXC480 PXC550 JBL E45 E50 E55BT E30 E55 S700 Meizu HD60 etc

5mm 50cm 100cm 150cm 200cm 300cm/4

For Sony MDR-Z7 MDR-Z7M2 MDR-Z1R Headphone 4.4mm Balanced to 3.5mm Replaceable Cable Size:Black 4.4mm balance and the straight plug isBrand: EarmaxColor: blackModel: Z1R balanced cablePlug: player end: 4. 4mm balance headphone end: 3. 5mm double plugLength: 180cm 5. 9ftFor: SONY MDR Z7M2 MDR Z1, etcThe core is 30 single crystal copper * 2+30 single crystal copper silver plated * 2, total 120 core wires2 single crystal copper silver plated+2 single crystal copper, each with 30 core wires inside. With screw lock, the same function as the original wiringThe optimized core structure is