The Altec Lansing ACS 33 is a three-piece speaker system, which is designed for your home theater or for computer. With 35 watts of maximum output power, this Altec Lansing PowerCube speaker produces a high and improved audio output. Integrated with 70 - 18000 Hz response bandwidth, this Altec Lansing computer speaker delivers a loud and dynamic sound. Equipped with a 15-watt subwoofer, the Altec Lansing ACS 33 speaker enhances the bass output of the audio. This Altec Lansing PowerCube speaker has a volume check which lets you maneuver the speaker's volume with great efficiency. This Altec Lansing computer speaker is shielded magnetically to prevent monitor distortion.. Powered by a power-on LED, the Altec Lansing ACS 33 speaker informs you when it is activated.