Canton ASF75SC Active, flat subwoofer.Flat subwoofer that both can be wallmounted with the included mount, or placed flat on the floor under a sofa or other furniture. This makes this subwoofer perfect for integration in enviroments where the sound system must be hidden.The subwoofer completes a sound system/speakers with a lower bass response and a more full sound.This gives the system higher power handeling, and clarity. On the rear are all connections and controls hidden. This makes settings hard to reach and change by misstake for the user, after the installation is done. Also, it makes the installation more stylish, without any visible cables.