2 Up-firing drivers in main bar and 2 detachable speakers. Delivers true Dolby Atmos and DTS:X. Two detachable surround speakers. 10" Wireless subwoofer. PureVoice technology. Built-in Wifi with AirPlay Alexa MultiRoom Music and Chromecast. Compatible with voice assistant-enabled speakers. Dolby Atmos surround sound with HDMI eARC. JBL One app. 3 HDMI video inputs. Type-A USB port. 1 Optical audio input. Soundbar dimensions: 34.8" x 2.2" x 4.9". Detachable speaker dimensions: 6.1" x 2.2" x 4.9". Subwoofer dimensions: 12" x 17.3" x 12".