The Marshall Stanmore II White (1001903) all-in-one speaker boasts a power output of 30 Watts, with a frequency response range of 50 - 20,000 Hz and a maximum sound pressure level of 101 dB SPL at 1 meter. You can start playing audio content immediately after connecting via Bluetooth, 3.5 mm AUX input, or RCA interfaces. Playback can be controlled through the Marshall Voice app or via analog controls, including a source selection button, volume control, bass control, treble control, play/pause button, and a microphone on/off button. Additionally, the Marshall Stanmore II White (1001903) features Wi-Fi connectivity compatible with any WPA, 802.11 b/g/n/ac, supporting both 2.4 GHz and 5 GHz bands, as well as Amazon Alexa voice assistant integration.