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RCA Coupler (Female to Female)

CPL-RCA-FF

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

Type: Adapter
Connectors: RCA

In-depth technical details

A coupler is connector-agnostic to signal type -- the same RCA jack shape carries composite video (yellow), stereo audio (white/red), or component video (green/blue/red), so which colour convention applies depends entirely on which cable is plugged into it, not the coupler itself.

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Connector anatomy

RCA / phono

01 Centre pin Carries the signal itself — one channel of audio, or a whole composite video picture.
02 Outer collar Ground and shield in one. It mates before the centre pin, which is what stops the loud pop.
03 Colour code Red is right, white is left, yellow is composite video. A convention only — electrically the plugs are identical.
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	RCA

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