Loudspeaker, Amplifier, Conference System manufacturer / supplier in China, offering High Sound Quality Standard Version 3 Inch Mini Ceiling Speaker with Clear Acoustic Performance, Public Address 8 Channel Stereo Pre Amplifier with 2 Outputs Power Amplifier, 20W, 3 Inch Mini Coaxial ABS Rimless Tube Acoustic Ceiling Speaker for Various PA and Bgm Applications and so on.
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