This is due to 3D audio, Dolby Atmos and MultiBeam 3.0. The wireless 10" JBL subwoofer provides deep, tactile bass. JBL Bar 500 MK2, 5.1 Channel Bluetooth Soundbar for TV with 10" Wireless Subwoofer, Dolby Atmos Surround Sound, HDMI eARC, Wi-Fi, 4K Video, PureVoice 2.0 and MultiBeam 3.0, Black.
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