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Alvins Cables Custom 3.5mm TRS Y-Splitter Cable for Timecode & Scratch Audio

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Alvins Cables custom 3.5mm TRS Y-splitter was designed to accommodate both a timecode input, and scratch microphone audio.

Two different signals get sent to two different channels, so you can have your cake and eat it too.

For professional camera and audio workflows, a standard 3.5mm Y-splitter is not always enough. When different signals need to be routed through the Tip and Ring channels independently, the internal wiring needs to match the specific application.

With this custom cable a right-angle 3.5mm TRS male connector connects to two straight 3.5mm TRS female sockets, with each female socket carrying an independent channel rather than a duplicated stereo signal.

The final configuration was designed for a compact camera-rig setup where timecode and scratch microphone audio are routed through separate channels.

The cable uses a right-angle, non-locking 3.5mm TRS male connector on the camera side and two straight 3.5mm TRS female sockets on the output side.

With a final total length of 20 cm including the connectors, the cable provides a compact connection between the camera and external audio/timecode sources while helping keep the rig organized.

Custom Wiring for Independent Channel Routing

  • Tip / Left Channel → Timecode
  • Ring / Right Channel → Scratch Microphone
  • The two female sockets are wired as independent channels
  • The two outputs do not simply duplicate the same stereo signal
  • This customized wiring allows the two connected sources to use separate signal paths through the 3.5mm TRS connection.

Color-Coded Female Outputs

To make the two channels easier to identify during production, there are different housing colors for the female connectors.

Left / Tip Channel: Black housing
Right / Ring Channel: Red housing

The red housing provides a quick visual reference for the scratch microphone channel, helping reduce the chance of connecting the two sources to the wrong output during a fast-paced shooting setup.

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Need a custom audio, timecode, power, or camera cable?

If you need a custom cable, send Alvins Cables your equipment models, connector requirements, wiring/pinout, cable length, and any reference photos or diagrams. Their team can review the requirements and help develop a cable for your specific production setup.

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