Loudspeaker, Amplifier, Conference System manufacturer / supplier in China, offering 160W at 8 Ohm Ferrite Unit Array Acoustic Column Speaker White Speaker-PRO Line for Conference System, All-in-One Conference Amplification Kit with DSP Amplifier and Dual Capsule Overhead Microphone and Column Speaker*2, 8 Inch High Power Waterproof Fireproof Horn Loudspeaker Outdoor and Indoor Passive Speaker and so on.