State-of-the-Art AMBEO virtualization technology. Immersive sound supported by 8" high-end proprietary woofer and 350W amplifier. Closed enclosure ensures audiophile-grade deep bass down to 72Hz. Connect up to 4 subwoofers wirelessly and individually calibrate. Automated self-calibration learns acoustics of room and adapt to environment. Smart Control app - multiple audio and equalizer settings. 8" Cone driver woofer. Frequency response: 27Hz-80Hz. 350W Total audio power. Power: 100-240V 50/60Hz. Dimensions: 10.78" x 10.78" x 14.53".