We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.
The SC-HTB770 is a home theater system with two 3.1-channel surround sound speakers and a Bluetooth-enabled subwoofer. The speakers that come with this set can be arrayed either vertically or horizontally.
3.1-Channel Surround Sound
Vertical/Horizontal Alignment Options