It enables adaptive rendering to ensure that the playback experience is as close as possible to the creator's original vision in any given environment, irrespective of speaker configuration in the playback environment.
Nowadays we're spoiled with options in the Bluetooth speaker market, and many of the high-end ones -- especially those from Soundfreaq and Nokia -- even feature dual-system streaming (DSS) that lets one speaker pair with another to enable true stereo playback.
With an Anti-Vibration Integrated Subwoofer inside the speaker unit, the SC-HTB70 provides high-quality, clear sound playback in each of its four layouts.
Along the bottom edge, you'll find the micro-USB port next to a single speaker that's pleasingly loud -- we only had to hit the middle settings for a decent playback volume.