Type: Audio Adapter
Kolorapus 6.35mm (1/4 inch) Male to 3.5mm (1/8 inch) Female Stereo Audio Adapter Converter for Guitar Headphones AMP, Gold Plated - China XLR Male Connector, 6.35 Male to 3.5 Female
Audiophile 101: Headphone Connections and Terminations
Phone connector (audio) - Wikipedia
RCA Stereo 1/4 Plug to 3.5mm Jack Adapter
MillSO 3.5mm to 1/4 adapter: Turn a 6.35mm male plug adapter into a 3.5mm female jack, ideal for connecting smartphones, tablets or headphones with
MillSO 1/4 to 3.5mm Headphone Adapter TRS 6.35mm 1/4 Male to 3.5mm 1/8 Female Stereo Jack Audio Adapter for Amplifiers, Guitar, Keyboard Piano, Home
A guide to audio connectors and cable types - SoundGuys
fdealz® [ 2 Pieces Headphone Adapter Jack 3.5mm Male 1/8 inch to 6.35mm Female 1/4 inch Audio Stereo Adapter, Small to Big Headphone Audio Jack Plug Adaptor Converter for Digital Piano, Keyboard : : Electronics
2 packJack 6.35mm Male 1/4 inch to 3.5mm Female 1/8 inch Audio Stereo Adapter, Small to Big Headphone Audio Jack Plug Adaptor Converter for Digital
GOLD 3.5mm AUX Male to 6.35mm 1/4 Female Adapter Large Keyboard Headphone Jack
What is the normal headphone jack size? - Quora
Plug your iPhone Earphone into a Standard 3-Conductor Jack