SummitLink Replacement Stand-alone Control Pod with Power Button for Klipsch ProMedia 2.1 Computer Speakers Replacement Control Pod for Klipsch ProMedia 2.1 Computer Speakers. Does not work with the new Bluetooth Version speakers. It has a button that you can mute/un-mute your speakers It is separate from the speaker so you can put it closer to you for easier control The subwoofer cable can be detached and replaced if needed