Woot offers Refurbished Sonos Arc SL Soundbar for $319.99. Free shipping for Prime Members. 

Product Description:
Bring all your entertainment to life with breathtakingly realistic sound and the 3D experience of Dolby Atmos.
Put yourself at the center of shows, movies, and games with crystal clear dialogue and two height channels that create an impressive sense of spaciousness. When the TV is off, stream music and more from all your favorite services. Easily control the soundbar with your existing remote, the Sonos app, and Apple AirPlay 2. Build out a full surround system with a subwoofer and pair of rears, and add more speakers around your home for multiroom listening. Everything works together over WiFi.

• Feel sound all around you with the spacious 3D experience of Dolby Atmos.
• Stream music, radio, podcasts, and more when the TV is off.
• Effortless setup with just two cables.
• Elegant design discreetly mounts to the wall or sits on a credenza beneath the TV.
• Flexibility to expand your system over time and enjoy true surround sound and multi-room listening.
• Control your Sonos system with the Sonos app (for Android and iOS).