Sony Bravia Theatre Bar 9 outperforms with 11.1.4 channels and Dolby Atmos per RTINGS and CNET reviews while Bose Smart Soundbar 700 remains limited to 5.0 without add-ons. Sony supports HDMI eARC and 360 Spatial Sound Mapping versus Bose's older HDMI ARC only. Bose integrates better in existing Bose wireless ecosystems but trails in raw capability.