In the past few years, we have covered plenty of attractive passive speakers for iPhone and other smartphones here. This Acoustic Gramophone Speaker is also worth a look. It is a handmade acoustic speaker that works with any smartphone. It amplifies the sound coming out of your phone without any electricity.
This passive speaker is made with a special clay, hand painted and two-layer varnished. You can order it in various colors. More info is available here.
You may want to see:
*Our articles may contain aff links. As an Amazon Associate we earn from qualifying purchases. Please read our disclaimer on how we fund this site.