Therefore this adapter is commonly used to enable headphones with a larger 6.35mm plug to be used with a 3.5mm jack (present on Ipods and MP3 players etc). 3.5mm Stereo Plug to 6.35mm Stereo Jack Adapter.
eBay
12V Power Adapter for Yamahas Keyboards Multiple Models PA-150 Digital Piano Keyboard Power Supply
Aliexpress UK
Casio CT-S195AD Portable Keyboard in Black, with stand, headphone & adapter. For your phone or tablet, get the FREE Chordana App from Casio and start playing right away. You get free interactive lessons up to grade three when you have online access to the Casio Music Academy.
eBay
AC DC Power Adapter For Yamaha Keyboard PSR-S650, PSR-S670, PSR-S700 PSR-S750 PSR-S770 PSR-S775
Aliexpress UK
For your phone or tablet, get the FREE Chordana App from Casio and start playing right away. You get free interactive lessons up to grade three when you have online access to the Casio Music Academy.
eBay
9V Power Supply Adapter Monophonic Synthesizer Fit for Korg Monologue KA350 Volca Series Charger
Aliexpress UK
Auline Adaptor. Gold Plated.
eBay
Universal Extension Adapter Second Tier Stand for Electronic Piano Keyboard Stand Rack Holder
Aliexpress UK
Features: With gold-plated head design that provides stable Auditory transmission and durability. Practical and cost-effective way to connect smartphones, tablets, or headphones. Specifications: Item：3.5 mm to 6.35 mm Adaptor.
eBay
USB C to 3.5mm Headphone/Headphone jack Cable Adapter C Type 3.1 Male Port to 3.5 mm Stereo Female o
Aliexpress UK
This type of socket is commonly found on guitar amplifiers, keyboards and DJ mixers. This adapter is bi-directional and can be used both ways if required.
eBay
DD ddHiFi New DJ44B DJ44C Mark II Female 4.4mm to 2.5mm 3.5mm Male Audio Headphone Adapter for HiFi
Aliexpress UK
The Casio CT-S195AD is an ultra-lightweight keyboard, featuring built-in speakers and a convenient carry handle, making it perfect for music on the go. Keyboard: 61 keys. 1x Casio Electric Keyboard. Portable & Lightweight Design.
eBay
Converter Adapter Portable Keyboard Mouse Converter Mobile Game Keyboard and Mouse Adapter BT5.0
Aliexpress UK
For your phone or tablet, get the FREE Chordana App from Casio and start playing right away. You get free interactive lessons up to grade three when you have online access to the Casio Music Academy.
eBay
Converter adapter portable keyboard mouse converter mobile game keyboard and mouse adapter bt5.0
Aliexpress UK