The built-in sound quality on TVs has gotten a lot better over the years , but not even the best TVs can compete with dedicated soundbars. If you want to improve your home entertainment sound, investing in a good soundbar is the way to go, and you don’t need to spend a lot. The best cheap soundbars can bring you better dialogue quality from  movies and TV shows , and even stream music over  Bluetooth . It’s time to abandon poor TV sound, turn up the volume and get bingeing. Our Picks Bottom Line For $155, the 2.1 Soundbar includes a wireless subwoofer, HDMI connectivity and both Dolby Atmos and DTS:X decoding. Even better than the prev... Pros & Cons Huge soundstage Exciting, detailed sound for music and movies Affordable No analog or optical Need app to change settings No height effects despite Dolby Atmos support Bottom Line The compact Roku Streambar SE offers a lot for its low price tag. This is a fully-fledged 4K HDR streamer with hundreds of supported services,...…