Fbs93A 4ohm Mylar Cone Speaker (FBELE) Noise : <95dB. Hi-Fi : Not Hi-Fi. Activity : Passive. Operation Mode : Wire / Remote Control. Speaker System : Mono. Speaker Material : Metal. Application : Commercial, Home. Certification : CE, RoHS, CCC, UL, FCC, CSA, ETL. Voice Coilimp : 4 Ohm. Magnet Size : 60*32*10.