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3.5mm (Male Plug) Stereo to 2.5mm (Female Jack) Stereo Adapter

3.5mm (Male Plug) Stereo to 2.5mm (Female Jack) Stereo Adapter
$6.95

Availability: In stock

3.5mm (male plug) stereo to 2.5mm (female jack) stereo adapter • Part Number: 7126STR



  • This adapter male plug has a standard 3.5mm male 3-conductor plug

  • The adapter plug will connect with most mp3 players and other audio devices

  • The adapter accepts a sub-miniature 2.5mm size male plug that has 3-conductors

  • This adapter will allow you to connect the smaller sub-miniature 2.5mm 3-conductor male plug to most stereo audio devices that have the standard size 3.5mm audio jack

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Details

Details

3.5mm (male plug) stereo to 2.5mm (female jack) stereo adapter • Part Number: 7126STR

  • Connect your 2.5mm stereo earphone or headphone to audio equipment with a standard stereo 3.5mm size jack
  • Male plug is gold-plated 3.5mm for use with most all kinds of stereo audio devices, and is known as a "miniature audio plug"
  • Female jack is gold-plated and accepts a 2.5mm 3-conductor "sub-miniature" type of audio plug
  • Connect your audio devices that have a 2.5mm size male stereo plug to standard 3.5mm 3-conductor audio jacks
  • A Stereo Plug has 3-conductors separated by two black bands

How do you tell the difference between Stereo and Mono types of audio plugs?

Some people think that stereo means two earpieces and mono means one earpiece, but that is not correct. It all depends on the plug wiring. It is conceivable that you could have a mono earphone with two earpieces. Take a look at the plug.

A mono plug will have one black stripe that separates two metal conductors. This is known as TR (tip-ring). The tip is the audio and ring is the return ground for one channel of sound.

A stereo plug will have two black stripes that separate three metal conductors. This is known as TRS (tip-ring-sleeve). The sleeve is usually ground, and the tip and ring are for two channels of stereo audio.

A stereo headset will usually have three black stripes that separate four metal conductors. This is known as TRRS (tip-ring-ring-sleeve). The sleeve is usually ground, and the tip and ring are for two channels of audio, with an extra ring being used for microphone audio and switching.

What size of plugs are used with most audio devices?

Currently the most common plugs that are used for stereo equipment are the 3.5mm 3-conductor audio plugs. These are widely used on small pocket-sized audio devices and are known as "miniature" audio plugs. The 3.5mm standard is also commonly referred to by its inch equivalent as the 1/8 inch size stereo plug. It was not all that long ago when most headphones would plug into the large stereo sound systems and they used a 1/4-inch diameter plug and were commonly referred to 1/4-inch "phone plug" that is now referred to commonly as the 6.35mm size plug. A smaller sized plug than the 3.5mm stereo plug was the one we called the "sub-miniature" plug, and it is now commonly called a 2.5mm plug. You probably have seen this size jack on cordless telephone jacks and it is kind of small in comparison with most stereo audio jacks.

  • Our 7126STR Adapter was designed to bridge the gap between the small sub-miniature plug so that it could connect with the standard miniature 3.5mm jack used commonly on most stereo equipment
  • If you have a specialty earphone with a sub-miniature (2.5mm) size plug and want to use it with an audio device that accepts a larger 3.5mm stereo plug, then you will find our 7126STR audio adapter will do the job

7126STR Adapter Specifications 
Input Jack - 3 Conductor Stereo 2.5mm Gold-Plated (Female) Jack 
Output Plug - 3 Conductor Stereo 3.5mm (Male) Plug 
Size - Adds 1-inch of length to the plug going into your audio device 
Accepts Stereo Earphones, Headphones or Audio Plugs that have a Sub-miniature 2.5mm Plug with 2 Black Bands
Adapter Plugs into Audio Equipment that Accepts a Standard 3.5mm size Stereo Audio Plug
Color -Black

Additional Information

Additional Information

Plug Type 3.5mm, 3-Cond
Jack Type 2.5mm 3-Cond Stereo
Plug Plating Gold
Plug style Straight
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