Commonly known as the "Cube 15", this portable and compact passive subwoofer offers high sensitivity and efficiency and extraordinary 600W RMS power handling. It challenges and surpasses many of the larger single 15” enclosures available. The audition of the TH-115B often makes the listener ask to be shown the additional subs; but there aren't any... For small venues and groups that want a "bass in the face" sound; it‘s small size can allow a few more seats in the room, and yet deliver the desired LF output.