Guangzhou DSPPA Audio Co., Ltd.
  • The Introduction of Wall Mounted PA SystemThe Introduction of Wall Mounted PA SystemOctober 11, 2018Wall mounted pa system belongs to a branch of amplifying sound system, and the amplifying sound system is also called professional acoustics system, which involves electric sound, construction sound, ...view
  • The Point of Using Wall Mount Stereo SpeakersThe Point of Using Wall Mount Stereo SpeakersOctober 8, 2018The usual recording is mono. For example, a recording of a concert, from all aspects of the stage at the same time from different instruments, is received by a microphone (or is received by several mi...view
  • The Property of Activce Column SpeakerThe Property of Activce Column SpeakerOctober 5, 2018The so-called active column speaker is usually arranged in an array of more than two loudspeakers, producing a planar sound field. In a certain listening range, the sound attenuation is much lower tha...view
  • Classification of Active Column SpeakerClassification of Active Column SpeakerOctober 2, 2018There are two types of active column speaker according to whether they have their own power amplifier. It can be divided into professional, home cinema and multimedia by use. Specialty can be divided ...view
  • Classification of PA System SchoolClassification of PA System SchoolSeptember 29, 2018PA system school is a kind of low-power FM broadcasting. Many colleges and universities, middle schools and even primary schools have adopted campus FM broadcasting to broadcast English programs or ot...view
  • The Advantages of Small Digital AmplifierThe Advantages of Small Digital AmplifierSeptember 26, 2018In the field of audio, people have been holding the position of class A amplifier. Class A power amplifier is considered to be the freshest and most transparent, with high fidelity. However, the low e...view
  • The Introduction of Small Digital AmplifierThe Introduction of Small Digital AmplifierSeptember 23, 2018The small digital amplifier is a kind of amplifier with the characteristics of low distortion, low noise, and large dynamic range. It is incomparable with a traditional power amplifier in terms of the...view
  • Great Success Achieved in Infocomm IndiaGreat Success Achieved in Infocomm IndiaSeptember 21, 2018Great Success Achieved in Infocomm India Annual InfoComm Exhibition in India was successfully held in Bombay Exhibition Center Mumbai from 18 to 20 September. It is an exhibition that showcases world...view
  • Tel:+86 020 37166520
  • Fax:+86 20 81305947
  • Email:export@dsppa.com
  • Address:Jianggao Town, Baiyun District, Guangzhou, China