Hosa YMP-137 — Stereo Breakout 3.5mm TRS to Dual 1/4 in TSF
YMP-137 Overview
The Hosa YMP-137 is a stereo breakout cable designed to split a stereo signal from a 3.5mm TRS source to dual 1/4 in TS female jacks. Color-coded connectors, black for left and red for right, allow for fast, reliable channel identification in live, studio, and installed environments. The cable also functions as an adapter, allowing a stereo cable terminated with mono 1/4 in phone plugs to interface with a mini stereo phone jack. It is a practical utility cable for audio engineers, system integrators, and technicians who regularly bridge consumer and professional signal formats.
The color-coded jack design reduces patching errors and keeps signal chains organized in dense rack or stage environments.
Key Features
- Stereo Signal Splitting — Splits a single 3.5mm TRS stereo source into two discrete mono 1/4 in TS female outputs
- Color-Coded Connectors — Black jack indicates left channel, red jack indicates right channel for fast and accurate identification
- Dual-Purpose Functionality — Also adapts a stereo cable with mono 1/4 in phone plugs to a mini stereo phone jack
- 3.5mm TRS Plug — Compatible with laptops, media players, phones, and other consumer or prosumer stereo sources
- Dual 1/4 in TSF Jacks — Accepts standard mono 1/4 in TS plugs for connection to professional audio equipment
Connectivity & I/O
- 1x 3.5mm TRS plug (stereo input)
- 2x 1/4 in TS female jacks (mono left and right outputs, color-coded black and red)

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