Three amplifiers are integrated inside the subwoofer, 70W RMS for the bass, 2x30W RMS for the speakers. To be placed under your desk, on the floor. A set-up of the bass level permits to adapt to the room acoustics and proportions. Then, you can forget about it. The volume adjustment can be made on the dock or with the remote control.
AC recharging and synchronization.
“Made for iMac” or ... PC, no need for driver