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RH-AUDIO Digital Class-D Amplifiers or called as switching amplifiers are electronic amplifiers in which the amplifying devices operate as electronic switches, can be more efficient and with less power dissipated. And with extensive protection from short-circuit, overload and high temperature built in.

The Digital Public Address Amplifiers come with built-in players of USB/SD,and FM tuner without trouble on connecting external audio source,furthermore built-in wireless Bluetooth receiver to support connection with mobile devices.

Inputs for microphone,line input,USB/SD player are governed by front panel volume controls,and the digital screen displays the working status of playing program,which can be controlled by the front panel buttons or the remote control.

Enjoy feature of high voltage 70V, 100V and low impedance 4-16 ohms speaker outputs provided, the technique of 70V or 100V reduces signal losses on a longer distance and allows easy parallel connection of multiple loudspeakers.

The class d pa amplifier have microphone inputs for voice announcement and aux inputs for background music,the main microphone input has a priority muting emergency paging by overriding BGM signal inputs.

The class d amplifier for sale ideally suited for installation in areas for the sound reproduction of reading announcements,and playing background music for small to medium PA installations such as clothing store,convenience store, coffee shop,classroom,restaurant,and so on.

Guangzhou Xinghongde Electronics Technology Co.,Ltd (Brand: RH-AUDIO) manufactures and supplies reputable high-end devices of commercial speaker system,offering pre-sales service on the solutions according to customers' specific requirements and after-sales service on installations.