Your Cable Store 25 Foot 1/4 (6.3mm) Mono Headphone

Hosa GPM-179 Adaptor 3.5 mm TRS to 1/4 in TS This adaptor is designed to adapt a mini stereo phone plug to a mono phone output. It applies mono equally to stereo left and right.

Hosa GPM-179 3.5 mm TRS to 1/4 in TS

Generic 1/8 Female to 1/4 Male Headphone Adapter, 3.5mm to 6.55mm — Dirt Cheep

Monster Just Hook It Up Stereo Jack Adapter 1 pk - Ace Hardware

6-Foot ProCo MIDI to 1/8 TRS (Type-A) Cable for MAKE NOISE 0-Coast

McIntosh Vacuum Tube Headphone Amplifier - MHA200

On-Stage Stands TMO1 Multi Clamp Microphone Mount : : Musical Instruments, Stage & Studio

REAN 3.5 mm TRS to 3.5 mm TRS - Pro Headphone Extension

On-Stage Stands TMO1 Multi Clamp Microphone Mount : : Musical Instruments, Stage & Studio

HOSA GHP-105 Headphone Adaptor, 3.5 mm TRS to 1/4 in TRS

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12 Foot 3.5mm Stereo Extension Cable Plug - Jack (black)