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Description: This is a 3.5mm TRRS SMD audio jack. TRRS connectors are the audio-style connectors that you see on some phones, MP3 players and development boards. TRRS stands for “tip, ring, ring, sleeve,” which reflects the fact that, unlike a standard stereo connector, this actually has three conductors and a ground. Some devices use the extra conductor for a microphone (like hands-free headsets) or to carry a video signal (like in some MP3/MP4 players).
Based on 1 ratings:
It’s rare and unusual component. But for connecting of earphone with microphone (i.e. for telephone set) or for connect a “three ways” cable is unbeatable and indispensable. What about a connection of tree channels audio components (bass, middle and treble)?