iPhone Passive Amplifier
Free     Myminifactory     CTGreybeard

iPhone Passive Amplifier

My iPhone X didnt fit in the original so I widened the slot a bit pictured and it was still a little tight so I remixed it in Fusion 360 so that anyone can make the slot whatever size they need The STL is 78x13 which fits my iPhone in a case ...

similar models —

iPhone Passive Amplifier alternatives
Soundflower
andikite
Iphone hand
Diego López