Quam Quam MA/E8/S2/T8 690 CID Standard Assembly, 4W-70V rotary select transformer, CITY OF CHICAGO-APPROVED The Quam MA/E8/S2/T8 is a 690 CID sound masking loudspeaker assembly consisting of an 8C10PAX - 8" O.D. dual cone loudspeaker with a 10 oz. MSRP: $109.32
