Loudspeaker, Amplifier, Conference System manufacturer / supplier in China, offering High Performance Bluetooth Ceiling Speaker 1"X2 Treble & 3.5"X1 Bass Radiators 20W*2 Passive CH-320li Order Separately, High Performance Ceiling Speaker 1" X2 (TREBLE) 3.5"X1 (BASS) Passive Radiatorx1 20W /10W/5W/100V 20W 4ohms, High Performance Ceiling Speaker 1" X2 (TREBLE) 3.5"X1 (BASS) Passive Radiatorx1 20W at 4ohms and so on.
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