Headphone Adapters

We have Headphone and earphone adapters for smartphones, portable audio devices and home audio. 1/4" to 3.5mm, Y adapters and more.

1/4" is the standard size headphone jack/plug for Stereo and Surround Sound Receivers and Home Stereo Amplifiers. It's the same size as used for Guitar cables and Musical instrument cord connectors.

The 3.5mm (1/8") Mini phone plug is used on iPods and MP3 players and most types of small electronics that have sound.

The 2.5mm connector was used by many early cell phones. It looks the same as a 3.5mm connector, only skinnier.


RCA connectors are used on the back of most Home Theater equipment, cable boxes, etc. Generally used for "Line level" not headphone level Inputs/Outputs

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  • 3.5mm female stereo mini plug to 1/4" male stereo phone plug
    35-550NK $1.83 Add To Cart
    3.5mm female stereo mini plug to 1/4" male stereo phone plug.  Stereo 3.5mm mini plug female 1/4" Stereo phone plug Nickel plated connectors All Metal for excellent shielding and durability Headphone adapter for...
  • 3.5mm female stereo mini phone jack to 1/4” male Stereo phone plug Adapter
    35-550 $1.00 Add To Cart
    3.5mm female stereo mini phone jack to 1/4” male Stereo phone plug Adapter. Small headphone jack to large headphone jack adapter to use earbuds or portable headphones with Receivers or Mixing boards Nickel...
  • 3.5mm female stereo mini plug to 1/4" male stereo phone plug
    35-550G $1.35 Add To Cart
    3.5mm female stereo mini plug to 1/4" male stereo phone plug.  Stereo 3.5mm mini plug female 1/4" Stereo phone plug Gold plated Headphone adapter for MP3 player type to A/V Receivers and older gear Calrad...
  • 1/4" Female Stereo Jack to 3.5mm Male Stereo Plug Adapter
    35-551 $1.00 Add To Cart
    1/4" Female Stereo Jack to 3.5mm Male Stereo Plug Adapter. Large headphone jack to small headphone jack adapter to use full size, higher end headphones with portable audio devices or smart phones Nickel plated...
  • 1/4" Stereo female jack to 3.5mm male Stereo Mini plug Adapter
    35-551G $2.65 Add To Cart
    1/4" Stereo female jack to 3.5mm male Stereo Mini plug Adapter. Connect full sized Headphone connectors to mini jack headphone connectors. 1/4" female phone jack 3.5mm male stereo mini phone plug Gold plated...
  • 1/4" Stereo female jack to 3.5mm male Stereo Mini plug Adapter
    35-551NK $1.30 Add To Cart
    1/4" Stereo female jack to 3.5mm male Stereo Mini plug Adapter. Calrad 35-551NKConnect full sized Headphone connectors to mini jack headphone connectors. 1/4" female phone jack 3.5mm male stereo mini phone plug Nickel...
  • 3.5mm stereo mini plug dual female to single male adapter
    35-555 $2.79 Add To Cart
    3.5mm stereo mini plug dual female to single male adapter. Share iPod or smartphone headphone jacks or split sound card outputs. Mini 3.5mm headphone plug Stereo Splitter Male to two female 3.5mm Stereo mini phone...
  • Dual female 3.5mm mini Plugs to one male 3.5mm Y adapter. Calrad 35-553G
    35-553G $2.95 $1.95 Add To Cart
    Dual female 3.5mm mini Plugs to one male 3.5mm Y adapter. Calrad 35-553G Dual female 3.5mm Stereo mini phone Jacks One male 3.5mm Stereo Plug Gold plated connectors Calrad...
  • Procable Shortz Audio Extender, 3.5mm Audio and Mic extender for iPhone and Android Smartphones, 4 conductor
    16051 $7.95 Add To Cart
    Procable Shortz Audio Extender, 3.5mm Audio and Mic extender for iPhone and Android Smartphones, 4 conductor.    The perfect solution for extending audio from tight or restricted jacks in...
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