DSP6180 180W Professional Column LoudspeakerDecember 4, 2023DSP6180 is a 180W Constant Resistance Professional Conference Speaker that is made of aluminum alloy housing, with extremely textured appearance, which can provide professional-level sound performance...view
DSP6120 120W Professional SpeakersDecember 8, 2022DSP6120 is a 120W Constant Resistance Professional Conference Speaker that made of aluminum alloy housing, with extremely textured appearance, which can provide professional-level sound performance an...view
DSP5840 400W Professional Column SpeakerJune 3, 2025This speaker uses a unique combination of a 4.5" paper cone speaker and a 1" tweeter. The design focuses on high sensitivity and low distortion, bringing soft and pleasant sound quality and ...viewwe will contact you within 24 hours.
Design Scheme of Video Conference System in Conference RoomMarch 29, 2019The conference room is positioned as a large-scale and important conference function venue with many functions, such as large-scale conference, report meeting and large-scale training function.In the ...view
The Strongest Escort for College Entrance ExaminationNovember 29, 20162015 College Entrance Examination in China has been pulled down the curtain.DSPPA and its dealerChangchun Hanrui Electronic Co., Ltd had made a perfect ending for this examination,providing a stronges...view