▲ 10 r/JBL
JBL Boombox 4 new firmware update of 26.16.10
The JBL Boombox 4 brought back the deep bass similar to the original setting with the new firmware update 26.16.10. The last firmware update significantly cut off the deeper bass, but this new one definitely restored it.
u/Deodyssey — 6 days ago