Up for sale is a vintage 2.1 channel speaker system from the highly regarded brand Acoustic Research (AR). This system includes two SAT 660 satellite speakers and one STC 660 passive subwoofer, providing full-range sound from a compact setup. This is a great-sounding system for an office, bedroom, or small living area. Please note, this is a passive speaker system. It does not have a built-in amplifier. You connect your amplifier or receiver’s main speaker outputs to the “INPUT” terminals on the subwoofer. You then connect the two satellite speakers to the “OUTPUT” terminals on the subwoofer. The subwoofer’s internal crossover directs the low frequencies to its internal woofer and the mid/high frequencies to the satellite speakers. 2x Acoustic Research SAT 660 Satellite Speakers. 1x Acoustic Research STC 660 Passive Subwoofer. The speaker system has been tested and is in good working condition. Cosmetically, it shows signs of age and use. The wood grain vinyl on the satellite speakers has some scuffs and scratches. One of the fabric speaker grilles has a white scuff mark. The subwoofer cabinet is in decent shape with minor signs of wear. Please review all photos carefully to assess the cosmetic condition. To explore our full selection of unique finds and discover your next treasure! We are constantly adding new items, so be sure to save us to your favorite sellers.