A:AnswerThanks for your interest. It would not support additional speakers. Smart devices can be connected wirelessly to the sound bar for streaming audio through the sound bar. -Randal
A:AnswerThank you for a great question on our SmartCast™ SB3851-D0!
I apologize, but you cannot add extra speakers to the 5.1 system.
If you have any questions or concerns, we encourage you to reach out to our Support team at 844.254.8088. Thanks again and have a great day! -Collin
A:AnswerThank you for a great question!
Please contact us at 1-877-878-4946 or chat.vizio.com so we can properly assist you with finding a replacement remote.
Thanks again and have a great day! -Collin
A:AnswerThank you for a great question!
This soundbar system comes with a 3.5mm to RCA red/white cable, digital optical cable, and digital coaxial cable, for audio input.
Thanks again and have a great day!