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XLR Coupler (Male to Female)

CPL-XLR-MF

Joins two XLR cables together, or changes the gender of a connector.

Type: Adapter
Connectors: XLR-F / XLR-M

In-depth technical details

XLR's 3 pins carry a real signal, not just a shape: pin 1 = ground/shield, pin 2 = hot (+), pin 3 = cold (-). This is physically what balanced audio is -- pin 3 carries an inverted copy of the signal, so noise picked up equally by both conductors cancels out at the receiving end.

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End A

XLR (Female)

01 3 pins: ground, hot, cold The signal is sent twice, one copy inverted. The far end flips it back and adds them, cancelling any noise the cable picked up.
02 Locking latch You must press the latch to release it, which is why a stage microphone does not come unplugged when someone trips on the cable.
03 Metal barrel The barrel is grounded and acts as a shield around all three pins.
04 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
05 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

End B

XLR (Male)

01 3 pins: ground, hot, cold The signal is sent twice, one copy inverted. The far end flips it back and adds them, cancelling any noise the cable picked up.
02 Locking latch You must press the latch to release it, which is why a stage microphone does not come unplugged when someone trips on the cable.
03 Metal barrel The barrel is grounded and acts as a shield around all three pins.
04 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
05 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

From the published standard

How it works

An inline coupler joins two cables of the same type to extend a run, or changes connector gender so two devices with the same plug type can meet. It is purely passive and neither boosts nor cleans the signal, so every extra coupler on a run adds a contact point that can degrade over time — a single cable of the right length is preferable whenever that is practical.

Function: Passive join or gender change — no signal boost
Trade-off: Each coupler adds a contact point that can degrade over time

This information comes from published sources about this type of product, not from the supplier.

en.wikipedia.org

Technical specifications

Type	Adapter
Connectors	XLR-F / XLR-M

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