Features: Subwoofer with 360° Bass Reflector, Manage with Harman Kardon One App, Room Calibration for Optimized Audio, Supports Multichannel Expansion, Clearer Dialogue via PureVoice, AirPlay, Chromecast & Spotify Connect, Dual-Band Wi-Fi & Bluetooth Connectivity, 4K HDMI Passthrough with Dolby Vision, 2 x Up-Firing for Dolby Atmos & DTS:X, 315W of RMS Total Output Power