... Fidelity Sound 5)Any OEM we can do . super woofer ceiling SpeakerDetailed SpecificationModelZT-558DRated Power 50WLine Voltage70-100VSensitivity90dBFrequency Response45- ... Amplifier,PA amplifier, PA system unit,Garden Speaker,Woofer Speaker ,Tweeter Speaker ,Sub woofer Speaker,Treble Speaker ,Brass Speaker , Audio Speaker ... ® ,GBS ®,Sonnea® ,And many Other OEM orders . super woofer ceiling Speaker