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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  • 1/4" female Stereo Phone Jack to 3.5mm male mono mini phone plug
    35-543 $1.10 Add To Cart
    1/4" female Stereo Phone Jack to 3.5mm male mono mini phone plug.  Stereo to mono adapter, from 1/4" stereo to 3.5mm (1/8") mono. Shielded heavy duty metal adapter 1/4" female Stereo Phone...
  • 3.5mm stereo mini jack to 2 RCA plugs, 6 inches long
    35-558 $1.45 Add To Cart
    3.5mm stereo mini jack to 2 RCA plugs, 6 inches long.  Shielded 3.5mm stereo jack 2 RCA plugs  6 inches long Calrad 35-558
  • Mini plug Stereo to mono Y splitter cable, Dual 3.5mm female mono mini jacks to 3.5mm male stereo plug
    35-559 $3.13 Add To Cart
    Mini plug Stereo to mono Y splitter cable, Dual 3.5mm female mono mini jacks to 3.5mm male stereo plug.  6 inch long Shielded cable 3.5mm stereo plug Two 3.5mm mono jacks Calrad...
  • 1/4" female mono jack to 3.5mm male stereo mini plug adapter
    35-563 $1.31 Add To Cart
    1/4" female mono jack to 3.5mm male stereo mini plug adapter.  Shielded Molded adapter 1/4" female mono jack 3.5mm male stereo mini phone plug Calrad...
  • 3.5mm female mono mini jack to Two 3.5mm male mono mini plug adapter
    35-572 $2.35 Add To Cart
    3.5mm female mono mini jack to Two 3.5mm male mono mini plug adapter.  3.5mm mono jack Two 3.5 mm mono plugs Shielded 10" long Calrad 35-572
  • iLine Mono Output Splitter
    iLine Mono Splitter $19.99 Add To Cart
    iLine Mono Output Splitter - Mini plug to Dual 1/4" mono plugs for PA mixing boards.  Split the mini stereo plug on your iPhone, iPad, Android phone or Computer to plug into your PA mixer or Audio interface line inputs...
  • iLine RCA Output Adapter cable
    iLine RCA Adapter $24.99 Add To Cart
    iLine RCA Output Adapter, 1/8" Stereo min plug to dual RCA Cable. 1/8” (3.5mm) stereo male to 2 x RCA mono male, 59” (150cm) Features 24K gold-plated connectors for maximum connectivity in all...
  • 3.5mm Right angle female to male adapter
    35-484 $2.45 Add To Cart
    3.5mm Right angle female to male adapter.  Right angle stereo 3.5mm female jack 3.5mm stereo male plug Tip, ring, sleeve connectors Nickel plated Calrad...
  • 3.5mm female stereo mini phone jack to 2.5mm stereo mini plug adapter
    35-518 $3.10 Add To Cart
    3.5mm female stereo mini phone jack to 2.5mm stereo mini plug adapter.  Molded adapter 3.5mm stereo female 2.5mm stereo male Calrad 35-518
  • 3.5mm mono Y splitter adapter
    35-519G $1.75 Add To Cart
    3.5mm mono Y splitter adapter.  Shielded  Y-adapter One 3.5mm mono plug Two 3.5mm mono jacks Gold plated connectors Calrad 35-519G
  • RCA male to two 3.5mm mono female mini phone jack adapter
    35-535 $2.55 Add To Cart
    RCA male to two 3.5mm mono female mini phone jack adapter.  Shielded 7-1/2" long adapter cable RCA male Two 3.5 mono female jacks 7.5 inches long Calrad...
  • RCA female jack to 3.5mm male mono mini phone plug adapter
    35-538 $1.20 Add To Cart
    RCA female jack to 3.5mm male mono mini phone plug adapter.  Nickel Plated Shielded RCA female 3.5mm male Calrad 35-538
  • 35-540
    35-540 $1.55 Add To Cart
    3.5mm female mono jack to 2.5mm male mono plug adapter.  Shielded solid metal adapter Nickel plated 3.5mm mono jack 2.5mm mono plug adapter Calrad...
  • 2.5mm female mono jack to 3.5mm male mono plug adapter back
    35-541 $1.55 Add To Cart
    2.5mm female mono jack to 3.5mm male mono plug adapter.  Shielded solid metal adapter Nickel plated 2.5mm mono jack 3.5mm mono plug Calrad 35-541
  • 3.5mm female Stereo Jack to 3.5mm male Mono Plug Adapter
    35-552 $0.90 Add To Cart
    3.5mm female Stereo Jack to 3.5mm male Mono Plug Adapter. Nickel plated contacts Stereo to mono adapter for various uses Plastic Body 3.5mm Stereo female 3.5mm Mono male  Calrad...
  • 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. Usually used as Cell phone headset adapter. 2.5 mm stereo mini phone jack 3.5 mm stereo mini phone plug Calrad...
  • 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 4-Conductor M/F Modular Audio Extender
    16051 $7.95 Add To Cart
    3.5mm 4-Conductor M/F Modular Audio Extender solves phone case issues.  Procable Shortz Audio Extender, 3.5mm Audio and Mic extender for iPhone and Android Smartphones, 4 conductor.    The perfect solution...
  • 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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