A:Answer Hello Peg,
The HW-B650 Soundbar is a 3.1 Channel Soundbar that comes with a 6.5" Wireless Subwoofer. It has a center channel allowing for improved dialogue, and features the ability to increase this channel as well. You can connect the soundbar using Digital Optical, Bluetooth or HDMI. Included sound modes are Game, Surround, Standard and Adaptive.
The HW-Q60B Soundbar is a 3.1 Channel Soundbar that can provide Dolby Atmos, comes with a 6.5" Wireless Subwoofer and also allows you to increase the center channel improving the overall dialogue. This Soundbar will work with our Q-Symphony technology on select Samsung TVs allowing for a larger sound stage by having the TV speakers as well as the Soundbar speakers to play at the same time.
~Samsung Solutions