The Sony part costs $55.00 + shipping. WHOLESALE!!!

The Sony part is manufactured by Hirose. The Hirose part number is KMC-9BPD-4P

These are available from DIGIKEY (Cust ID 67282) Digikey P/N HR400-ND @ $26.10

PINOUT

1 - N.C.
2 - HOT
3 - GND and SHIELD
4 - GND and SHIELD

Sony Part EC-15CF $45.00
KMC - 9 to XLR adaptor