Monoprice Metal 1/4in (6.35mm) Ts Mono Plug To 3.5mm Trs Stereo Jack Adapter, Gold Plated : Target
Jack Adapter 3.5mm Stereo 6.35mm Mono | 6 5mm Mono Jack Connector - 50pcs/25pais Gold - Aliexpress
GearIT Guitar Instrument Cable - Nylon Braided 1/4 Inch to 1/4 inch TS
Amazon.com: 1/4" to 1/8" Adapter,6.35mm Stereo Jack to 3.5mm TRRS Male Audio Cable Connector Adapter for Amplifiers, Guitars, Pianos, Home Theater Equipment Etc. : Electronics
Jack Adapter 3.5mm Stereo 6.35mm Mono | 6 5mm Mono Jack Connector - 50pcs/25pais Gold - Aliexpress