A device may have several audio output channels.2.0RMS rated powerRMS (Root mean square) is a measure of the continuous power required by a device, in particular audio amplfiers and loudspeakers.6WPorts & interfacesHeadphone connectivityHow headphones connect to a device e.g. wirelessly or via a cable and connector.3.5 mmBluetoothBluetooth is a low-power radio technology developed to replace the c