MiniBox for MiniSpeaker from the JBL-Flip3.
Mine is broken.

If you need this speaker and similar Woofer (60mm)
you can buy this as "Replacement Speaker JBL Flip 3" and "Passiv Bass Radiator" online.

To fix the Woofer i use glue "Revell Contacta" or "Uhu Plast Special".