NEXT GEEK Gold Plated 3.5mm Female to 6.5mm Male Headphone Audio Stereo Adapter Plug Converter Jack for Electric Guitar, Amplifier, Piano, Keyboard, etc (Pack of 2) (2 Year Warranty)
UGREEN 6.35mm 1/4 Male to 3.5mm 1/8 Female Stereo Headphone Adapter Audio Jack Plug Gold Plated for Speaker Headphone Guitar Digital Piano Amp
Sennheiser HD 200 PRO Professional Over Ear Wired Headphones| Soft Ear Cushions & Adjustable Headband | 6.4mm Jack | Ideal for Gaming, Electronic Piano, Mobile, Laptop & Mixing Consoles | Black