The JBL Bar 300 MK2 is a 5.0-channel sound bar with built-in bass ports and Dolby Atmos, delivering 450W of room-filling, multi-dimensional surround sound without a separate subwoofer. It supports 4K entertainment and connects over Bluetooth. Built-in bass ports add punchy bass with no separate subwoofer Dolby Atmos and 5.0 channels create multi-dimensional surround sound This description was generated by AI and reviewed for accuracy.