With almost 20 years` experience, our company have professionally designed, developed, manufactured and sold many kinds of volume controllers. This enables us to meet our customers and satisfy them. U
Our products include many big series which are powerful PA system, amplifier, circumjacent equipment, ceiling speaker, column speaker, wall speaker, horn speaker, directional speaker, lawn speaker, vo
PA-B power amplifier series feature:1) Protect the circuit when higher temperature, larger input signal or overload. The radiator-fan moves faster when it alarms by sound and light2) Balanced input ex
WI-202 window interphone features:1) Completely automatic duplex talk back2) The user can separately adjust the sensitivity of the mainframe and extension3) It is sonorous and clear with low backflow4
CCA-15P/3 classroom amplifier feature:The classroom broadcast system outputs at 8 ohms by a 15W power amplifier and inputs by 1-channel MIC and 3-channel AUX with separate adjusting the volume of each
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