... 5)Any OEM we can do . 8 inch active audio loudspeaker systemDetailed SpecificationModelZT-578ARated Power 50WLine Voltage70- ... Ceiling Speaker,Wall Speaker ,Fidelity Speaker,Horn Speaker,Active Speaker,Mural Speaker,Microphone,Pendant Speaker,Wireless Speaker,Column ... Speaker ,Tweeter Speaker ,Sub woofer Speaker,Treble Speaker ,Brass Speaker , Audio Speaker ,Conference Speaker ,Meeting Speaker etc ...