... Sound 5)CE certificate .OEM we do. sound system high fidelity speaker Detailed Specification ModelZT-208Rated Power 50- ... Speaker,Volume Control,Mixer Amplifier, Amplifier,PA amplifier, PA system unit,Garden Speaker,Woofer Speaker ,Tweeter Speaker ,Sub woofer ... ,Treble Speaker ,Brass Speaker , Audio Speaker ,Conference Speaker ,Meeting Speaker etc.4) Fidelity Sound,equipment for the reproduction of ...