Specifically constructed with a larger speaker capacity, improved active crossover and a dedicated center speaker, the HW-K550 provides an amazing vocal clarity. Six built-in speakers give this soundbar the depth and power to deliver a warm and detailed audio experience. You can power on your audio system and control it from your smartphone with Bluetooth. After an initial pairing, you can quickly find the devices you want, wake them up and stream your music. Product Type: Sound bar system - home theater - 3.1-channel Integrated Components: USB host System Components: Subwoofer, sound bar Speaker Type: Active Nominal Output Power (Total): 340 Watt Audio Amplifier: Integrated Connectivity Interfaces: Bluetooth Supported Digital Audio Standards: WAV, WMA, AAC, MP3, FLAC, OGG Speaker System Details: 1 x sound bar ¦ 1 x subwoofer Speaker Details: Sound bar - stereo - 2 - active ¦ Sound bar - center channel - active Color: Black Built-in Decoders: Dolby Digital, DTS decoder Sound Effects: Surround Sound Expansion Environmental Standards: ENERGY STAR Qualified Product Type: Sound bar system - for home theater - 3.1-channel Integrated Components: USB host Dimensions (WxDxH) / Weight Details: Sound bar: 39.8 in x 3.4 in x 2.1 in Subwoofer: 5.8 in x 17.3 in x 12.6 in Enclosure Color: Black System Components: Subwoofer, sound bar Speaker Type: Active Nominal Output Power (Total): 340 Watt Audio Amplifier: Integrated Sound Effects: Surround Sound Expansion Connectivity Interfaces: Bluetooth Built-in Decoders: Dolby Digital, DTS decoder Supported Digital Audio Standards: WAV, WMA, AAC, MP3, FLAC, OGG Controls: EQ mode selector, power on/off, volume Speakers Included: 1 x sound bar - wireless 1 x subwoofer - wireless Speaker Details: Sound bar - stereo - 2 - active Sound bar - center channel - active Connector Type: HDMI input ( 19 pin HDMI Type A ) HDMI output ( 19 pin HDMI Type A ) USB ( 4 pin USB Type A ) Audio line-in SPDIF input ( TOSLINK ) Included Accessories: Remote control, audio (optical) cable, wall mount ENERGY STAR Qualified: Yes