Ahead of its full unveiling on October 23, Redmi keeps revealing new details about the K90 Pro Max. Recently it's confirmed a few of its main specs, and today it's back to tell us all about the Bose-branded sound system built into the phone. The K90 Pro Max has two "ultra-linear speakers", presumably in the usual configuration (one at the bottom, the other at the top), but the novelty here is the "large independent woofer" that features on the back of the device, to the right of its cameras. This is Bose branded, and Bose has also contributed to the tuning of the entire speaker...
