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Guangzhou Xinghongde Electronics Technology…

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Guangzhou Xinghongde Electronics Technology Co.,Ltd https://www.rhaudiopa.com/

RH-AUDIO IP Network Paging Microphone RH8300

The RH-AUDIO remote paging microphone RH8300 is one of the core control equipment for IP public address system could make the voice announcement to individual zone, combined zones and all zones under the system. Built-in loudspeaker could

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    • RH AUDIO High Power Audio Amplifier

      This RH-AUDIO high-power audio amplifier is a device that amplifies electrical signals that have been adjusted to an appropriate volume and tone sent from the mixer or pre-amplifier, give high power outputs 1000/1500/2000 watts optional, sp

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      • RH-AUDIO Active Bluetooth Ceiling Speaker

        The RH-AUDIO Bluetooth ceiling speaker is ideal for streaming your music wireless to the speakers, which have three solutions chosen according to the size of the room. Model RH31BL with 1CH solution 1*10W: 1 one-channel-amplified master sp

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        • RH AUDIO 6 Zone Integrated Mixing Amplifier

          The RH-AUDIO 6 zone integrated mixer amplifier has six zone outputs using the front panel selector with LED indicator allow you to control the audio in two or more areas individually, such as the office, assembly shop and warehouse in a fac

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        RH-AUDIO IP Network Paging Microphone RH8300

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          RH-AUDIO 100 Volt Line Power Amplifier

          Besides 100 Volt Amplifiers RH-AUDIO also manufactures 100 volt line power amps, which boost current gain by receiving the lower-power audio signals from preamplifier or mixer to drive the connected loudspeakers. Preamplifier or audio mixe

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          RH-AUDIO 100 Volt Line Power Amplifier

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          RH-AUDIO 1000W 2000W Amplifier Of Paging System

          The RH-AUDIO paging system amplifier is designed for 70v & 100v public address system installations. This 2000w amplifier is exceptional values, loaded with features, and are easy to install in a variety of system designs, with much higher

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          RH-AUDIO 1000W 2000W Amplifier Of Paging System

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          Class d Pa Amplifier Improves Audio Quality

          Compared with Class A/B amplifier, class d Pa amplifier has poor audio performance. It not only has large distortion, but also has narrow dynamic range. Therefore, the current designer of class d Pa amplifier must improve its performance. B

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          Class d Pa Amplifier Improves Audio Quality

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          Overview of class D Pa Amplifier

          Class D Pa amplifier drives the amplifier of loudspeaker by controlling ON/OFF of switch unit. Class D Pa amplifier was first proposed in 1958, and it has become popular in recent years. Class D Pa amplifier has been greatly developed in th

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          Overview of class D Pa Amplifier

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          Type D Amplifier：Cautions for Heat Dissipation of Loudspeaker IC

          Compared with class AB amplifier, type D amplifier has higher efficiency and better thermal performance. Nevertheless, the heat dissipation of type D amplifier still needs careful consideration. This application note analyses the thermal pe

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          Type D Amplifier：Cautions for Heat Dissipation of Loudspeaker IC

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          How Do Amplified Speakers Make Sound

          We already know that the acoustic signal is to convert the waveform of music into the waveform of electrical signals, so we can also make the sound of music by pushing the waveform of the signal into the air as well. The equipment in the au

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          How Do Amplified Speakers Make Sound

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          How Are Amplified Speakers Made(1)

          1. Background A amplified speaker is a device that converts electrical energy waves into mechanical energy waves or audible sound. Sound is produced by the vibration of an object. This vibration creates a series of ripples or waves, like th

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          How Are Amplified Speakers Made(1)

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          How are amplified speakers made(2)

          3、Materials The dynamic speaker has not changed in decades. The frame is made of stamped iron or aluminum. The permanent magnet is a ceramic ferrite material composed of iron oxide, strontium and a ceramic binder. Cones, surrounds and star

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          How are amplified speakers made(2)

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          How are Amplified Speakers Made (3)

          5、Manufacturing process (1) Permanent magnets are made by mixing iron oxide with strontium, then grinding the compound into a very fine powder. The powder is mixed with a ceramic binder and then sealed in a metal mold. The mold is then plac

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          How are Amplified Speakers Made (3)

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          PA System M/S Amplifier Switch RH2821M

          ※ Connect to 5 main amplifiers and 1 spare amplifier. ※ Automatic detection of fault units,and the first fault detected unit will be automatically switched to the spare unit,other fault units if later detected will be brought to your

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          PA System M/S Amplifier Switch RH2821M

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          Pre Amplifiers

          Pre Amp Amplifier and Mixer Digital Amplifier " Mixer Amplifier" refers to a constant pressure amplifier with a front stage magnification, which can be directly connected to the microphone and other signal sources without a mixer. The outpu

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          Pre Amplifiers

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          PA System Telephone Interface RH2818I

          ※ The digital telephone interface can automatically answer an incoming phone call and broadcast the caller's voice over the PA system. ※ Automatic or manual mode optional. ※ Built-in monitor speaker and volume control. ※ Activation output

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          PA System Telephone Interface RH2818I

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