Depends on the type of wireless headphone. I can envision that as possible if you can break Bluetooth encryption and crank up the volume, but there are RF wirel

Depends on the type of wireless headphone. I can envision that as possible if you can break Bluetooth encryption and crank up the volume, but there are RF wireless headphones where the digital signal doesn't contain volume level, which is entirely on-device and only controllable with physical buttons.