Surround sound speakers for the back of the room Device: Active Rear Speaker unit for Soundbar systems. * Model: SPT8-S SPT8-SPK. I used them for three or four months, and after that, I honestly didn't use them anymore. They are off. Their accessories include large speakers, a subwoofer, the long one, and two small ones, and their remote and complete wires. For sale to the highest bidder. May God provide for us and for you.