6.3 mm. Jack adapter (2 x 3.5 mm female - 1 x 6.3 mm male)
Stereo Headphone Audio Adapter Plug | Female Stereo Audio Jack Adapter - Gold 6.3mm - Aliexpress
3.5mm Stereo Jack Female to 6.3mm Stereo Jack Male Audio Adapter - 35532 | Novatech
3.5mm Stereo Jack Female to 6.3mm Stereo Jack Male Adapter - from LINDY UK
Grado Headphone 6.3mm to 3.5mm Mini Adaptor Cable - Analogue Seduction
AKORD 6.3 mm Stereo Plug to 3.5 mm Stereo Jack Adaptor - Black : Amazon.co.uk: Electronics & Photo
Antsig Audio Adaptor 6.35mm Male to 3.5mm Female | Homebase
Eagle 3.5mm Male Stereo Jack to 6.35mm Male Stereo Jack Plug
Yellow Cable AD04 6.3mm Male TRS Jack - 3.5mm Female Adapter | Bax Music
6.35mm Male Plug To 3.5mm Female Connector Earphone Amplifier Stereo Audio Adapter Microphone Aux 6.3mm To 3.5 Mm Converter - Protective Sleeve - AliExpress
Jack - MiniJack Headphone Adapter - The Disc DJ Store
Audioquest Headphone Plug Adapter (3.5mm to 6.3mm) - Analogue Seduction
MiniJack - Jack Headphone Adapter - The Disc DJ Store
Stereo headset adapter cable, 2x 3.5mm female to 3.5mm male | Ewent
3X 6.3mm 1/4" Male plug to 3.5mm 1/8" Female Jack Stereo Headphone Audio Adapter | eBay
Red Champion 3.5mm Stereo Male to 6.3mm Stereo Female Adapter Converter (Pack of 2) - JioMart
HQ adaptor plug 6.35mm mono jack male – 3.5mm mono jack fe | Bax Music
6.3mm to 3.5mm Male Female plug Jack Audio Adapter RCA Stereo Headphone adaptor | eBay
Audio adapter 6.3mm stereo TRS jack-female-to-male 3.5mm minijack- - Cablematic
Sennheiser 6.3mm Female to 3.5mm Male Adapter Cable
VCE Headphone Adapter 3.5mm Male to 6.35mm Female Audio Jack Adapter Converter 20cm: Amazon.co.uk: Electronics & Photo
6.35mm 1/4 6.3mm Stereo Socket to 3.5mm Jack Headphone Adapter Converter Plug 5060265761790 | eBay
Headphone adapter DELTACO 6.3mm female - 3.5mm male, black / AD-2-K / 00180002
3.5mm Stereo Jack Male to 6.3mm Stereo Jack Female Adapter - from LINDY UK
3.5mm Male Jack to 6.25mm Female Socket Adapter
