2 layers50.8 × 76.2 mm

HeadphoneAmp
LouisVizard/HeadphoneAmp
Electric guitar headphone amplifier PCBA that runs off of a 9V battery.
36 parts
SparkFun ElectronicsExtended
The PRT-08032 is an audio Connector made by SparkFun Electronics with 5 pins.
JLCPCB lists it (part C20137358). 1 open-source board in 1 repository on GitHub use it.
The library has no symbol for this part yet.
The library has no footprint for this part yet.

LouisVizard/HeadphoneAmp
Electric guitar headphone amplifier PCBA that runs off of a 9V battery.
JLCPCB lists it as part C20137358, with 0 in stock; the sellers' links on this page open their listings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.