Pipe audio in or out of your project with this very handy panel mount audio jack. It's a mono jack with a disconnect pin so you'll get a ground sleeve
3.5mm TRRS Jack Panel Mount Connector - Metal
My Cable Mart - 6ft 3.5mm Mini-Stereo TRS Male to Female Panel-Mount Extension Cable
3.5mm 1/8-inch TS socket for audio.
1/8 3.5mm Mono TS Female Jack Socket with Switch Panel Mount (10 Pack)
1/8(3.5mm) Panel Mount STEREO Jack with switch
1/8 (3.5mm) 3 Pole Audio Jack TRS Stereo PCB Mount
Jack Socket, 3.5mm, Mono, Panel Mount, with Switch, PJ-323M - DSMCZ
• 3-Conductor, • Completely sealed, non-switching., • Mounts in 1/4 hole., • Panel thickness up to 0.075., • Overall length is 0.90.
3.5mm (1/8) Stereo Panel Mount Jack
Mogami 2552 Specialty 1/8 or 3.5 mm Select connector types
3.5mm / 1/8 Black Mono Jack Plug Connector KM2PB_35mm-1-8-stereo-jack-plug- connector-cokm2pb
1/8 (3.5mm) Stereo Audio Jack