DIGITNOW Headphone Adapter 6.35mm (1/4 Inch) Male to 3.5mm (1/8 Inch) Female and 3.5 mm Male Plug to 6.35 mm Female Jack, Audio Stereo TRS Converter Adapter (4 -Pack Gold Plated) - Newegg.com
Monoprice Metal 1/4in (6.35mm) Trs Stereo Plug To 3.5mm Trs Stereo Jack Adapter, Gold Plated : Target
YCS Basics Smartphone / Headset To Headphone Adapter Cable Turns A Headset With Microphone (TRRS) Into Headphones(TRS) And Removes The Microphone Channel
Amazon.com: Hosa GPM-103 3.5 mm TRS to 1/4" TRS Adaptor : Musical Instruments
Headphone Adapter - 3.5 mm TRS to 1/4 in TRS | Hosa Cables
Amazon.com: Hosa GPP-273 1/4" TRS to 1/4" TRS Right Angle Adaptor : Everything Else
Amazon.com: CablesOnline 3.5mm Stereo TRS Male Plug to 3.5mm Mono TS Female Jack Audio Adapter, AV-A37G : Electronics