Loudspeaker, Amplifier, Conference System manufacturer / supplier in China, offering Smart Wall Amplifier with 12.3-Inch Touch Display & Zigbee Hub, Wall Amplifier with 7-Inch Touchscreen & Zigbee Gateway, Wall Amplifier with 7-Inch HD Touchscreen & 8X20W Output (2-Zone Control/Bluetooth/WiFi/RS485/Multi-Format Playback) and so on.