HERE ARE 4 MATCHING PAIRS OF ZENITH TWEETERS. YHEY ARE  ALL 3" CONES. THEY ARE IN EXCELLENT CONDITION. THEY ARE 49-978 45 OHM ROLA, 49D978 45 OHM OAKTRON, 49D846 16 OHM OAKTRON AND 49-1094 MEI 45 OHM. GREAT VINTAGE JENSEN ALNICO TWEETERS. BUYER PAYS SHIPPING.