This adapter cable is terminated with a 4.4 mm Pentaconn jack and a 4 Pin XLR Male connector.  It will allow you to connect your balanced headphones & IEMs with 4.4 mm Pentaconn terminations into DAP's, DAC's and amplifiers with 4 Pin XLR outputs.  This cable transmits a balanced stereo signal.

The Pinout is as follows, also pictured above:

XLR Pin 1, L+ : 4.4 mm Tip

XLR Pin 2, L- : 4.4 mm Ring 1

XLR Pin 3, R+ : 4.4 mm Ring 2

XLR Pin 4, R- : 4.4 mm Ring 3

All cable options include excellent dielectric insulation and shielding to reject EMI and RFI.

This Cable is available in OFC, SPOFC, OCC & Pure Silver. 

OFC Cable Specs

SPOFC Cable Specs

OCC Cable Specs

Pure Silver Cable Specs

4.4 mm Pentaconn Connector Specs

4 Pin XLR Male Connector Specs