(2 pack) 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

PENCILUPNOSE© (2 pack 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

VCE Headphone Jack Adapter 6.35mm Male 1/4 inch to 3.5mm Female 1/8 inch Aux Plug Converter Audio Stereo Adaptor Gold Plated for Keyboard Digital Piano Amplifier Earphone 2 Pack

Cable Matters 5-Pack Headphone Adapter, Headphone Jack, 3.5mm to 6.35mm, 6.35mm to 3.5mm Adapter