Mini phone Plug Adapters

Commonly older non-smart phone Cell phone headsets used  2.5mm jacks. Adapters allow them to be used with standard 3.5mm Stereo mini plug connector headphones.
3.5mm is equivalent to 0.13780"or about 9/64 but we call the connector 3.5mm or  1/8".  
2.5mm  is equivalent to 0.098425" or around 3/32".
TRS means "Tip, Ring, Sleeve, which describes the mating contacts. TRRS would therefore mean "Tip, Ring, Ring, Sleeve, which would have 4 contacts - enough for Stereo Audio and microphone when a common ground is used for all signals. TRS has enough contacts for Stereo Audio or mono audio and a microphone if a common ground connection is used.

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  • 2.5mm female stereo jack to 3.5mm male stereo plug adapter
    35-582 $2.45 Add To Cart
    2.5mm female stereo jack to 3.5mm male stereo plug adapter.  You can use a cellphone headset with the extra small 2.5mm plug with a standard iPhone or Android phones 3.5mm headphone jack using this adapter...
  • Calrad 35-544 3.5mm Mono Coupler
    35-544 $1.35 Add To Cart
    3.5mm to 3.5mm Mono Connector Coupler - Adapter 3.5mm female connectors  Heavy duty metal construction  Shielded     
  • iLine Mono Output Adapter Cable, 3.5mm Stereo to 1/4" Mono Cable
    119152 $19.99 Add To Cart
    iLine Mono Output Adapter Cable, 3.5mm Stereo to 1/4" Mono Cable This cable converts 1/8" (3.5mm) stereo output to 1/4" (6.35mm) mono signal. Use this to send your stereo output from your device into a mono input device...
  • ProCable Shortz 3.5mm Audio Extender 4 inch Cable, Black
    16021 $7.95 Add To Cart
    ProCable Shortz 3.5mm Audio Extender 4 inch Cable, Black.   The perfect solution for extending tight or hard to reach audio jacks   Slim, compact and short audio extender cable fits most protective cases -...
  • ProCable Shortz 3.5mm Audio Extender 4 inch Cable, White
    16022 $7.95 Add To Cart
    ProCable Shortz 3.5mm Audio Extender 4 inch Cable, White.   The perfect solution for extending tight or hard to reach audio jacks   Slim, compact and short audio extender cable fits most protective cases -...
  • 3.5mm Male Mini Plug to Dual RCA male adapter, 6 inches long
    18035SRCAPX2 $1.99 Add To Cart
    3.5mm Male Mini Plug to Dual RCA male adapter, 6 inches long RCA Nickel plated Male Connector color coded Red and White 3.5mm Stereo Mini phone plug, Nickel plated for small audio devices
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