This Stereo Breakout Cable will connect 2.5 mm Mini TRRS output to an XLR 3 Pin Stereo connection.  This adapter cable is primarily used to connect 2.5 mm TRRS outputs from digital audio players (DAP) or digital to analog converters (DAC) into amplifiers with Dual 3 Pin XLR inputs. It transmits 2 balanced audio channels, left and right stereo.
 
The Pinout is as follows, also pictured above:
2.5 mm Tip , R- : XLR Right Pin 3
2.5 mm Ring 1, R+ : XLR Right Pin 2
2.5 mm Ring 2, L+ : XLR Left Pin 2
2.5 mm Sleeve, L- : XLR Left Pin 3
 
The Right XLR channel is marked in Red, and the Left is marked in Black.
 
All cable options include excellent dielectric insulation and are fully shielded to reject EMI and RFI.
 
This cable is available in OFC, SPOFC, OCC & Pure SIlver.
 
OFC Cable Specs
24 AWG Oxygen Free Copper conductors (4x per channel)
High density braided copper shield.
PE dielectric insulation.
PVC Outer Jacket
Outer Cable Diameter:  6.3 mm
 
SPOFC Cable Specs
20 AWG Silver Plated Oxygen Free Copper Conductors (4x per channel)
High density braided copper shield.
PTFE Teflon dielectric insulation
FEP Outer Jacket
Outer Cable Diameter:  5.8 mm
 
OCC Cable Specs
24 AWG Ohno Continuous Cast conductors (4x per channel)
PE Dielectric Insulation
High density braided copper shield.
Aluminum Foil Shield
Double Layer Outer PVC Jacket
Outer Cable Diameter:  8.4 mm
 
Pure Silver Cable Specs
27 AWG Pure Silver conductors (4x per channel)
FEP Inner & PE Outer Layer Dielectric Insulation
High density Silver Plated braided copper shield.
Aluminum Foil Shield
Double Layer Outer PVC Jacket
Outer Cable Diameter:  8.4 mm
 
2.5 Mini TRS Connector Specs
Gold Plated Pure Copper Contacts
Carbon fiber and nonmagnetic stainless steel housing
 
XLR Connector Specs
Rhodium Plated Pure Copper Pins
Carbon fiber and nonmagnetic stainless steel housing