POLK AUDIO BRAND. from MODEL SDA-1A. SELLING ONE PAIR ONLY. 6" POLY WOOFER/DRIVER/SPEAKERS. TESTED AND IN WORKING CONDITION. PART NUMBER UNKNOWN. DATED 1984. COMPLETE WITH GASKETS. GOOD TO GREAT CONDITION. 6.5" IN DIAMETER. 2.75" IN DEPTH. SCREW HOLES 6". USED-USA. AS IS. ++DUE TO THE COVID PANDEMIC I AM SHIPPING ONLY 2 DAYS A WEEK. PLEASE BE AWARE OF THIS++USPS SHIPPING IS ALSO TAKING LONER THAN USUAL++I OFFER NO GUARANTEE OR WARRANTY OFFERED. SELLING AS IS. NO RETURN OR REFUND OFFERE...D. local pick-up available. IF DAMAGED IN SHIPPING BUYER MUST MAKE A CLAIM WITH THE SHIPPER. NOT JUST USE EBAY FOR RETURN. INTERNATIONAL SHIPPING WOULD BE THOUGH EBAY'S GLOBAL SHIPPING PROGRAM. +++COST TO BE DETERMINED BY EBAY+++. NO REFUND OFFERED. EMAIL WITH ANY QUESTION. BID AWAY!!