Enhanced your home with ONYX Bluetooth Tower Speaker a built-in subwoofer, this 25.4 CM x 2 (10)woofer set provides booming sound and strong, loud bass for premium audio sound. Its subwoofer music Bluetooth speaker system delivers 250 watts RMS With this kind of power you can expect quality sound at any volume level, filling any large room in the home or office. It has easy access to the 3.5mm auxiliary input jack; 10 meter Bluetooth rang with USB power easy supply.