In-wall volume control supports integration with a conference audio system.
knob design, rotation convenient and labor-saving.
No damage to your amplifier or receiver, good wear resistance, making it ideal for a professional sound system environment.
Support the emergency broadcast signal override function.
Simple Modern Appearance Volume Controller
Streamline design, rounded corners, elegant and agile; the panel through the magic color spray treatment, color luster bright, and can effectively resist scratches.
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Latest Conference System Projects
Paperless Conference System for Shouguang Court Project
Shandong, China
Pro Line Array Speaker System for a China School Playground
Sichuan, China
Digital Conference System for Northwest Normal University
Lanzhou, China
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Guangdong, China
Paperless Conference System for GSCRI in Guangxi
Guangxi, China
Paperless Conference System for Changsha MHRSSB
Hunan, China
Intelligent Conference System for Yangjiang Daily
Guangdong, China
Intelligent Conference System for MBSA in Malaysia
MBSA, Malaysia
Audio Conference System for PAD in Cameroon
PAD, Cameroon
Audio Conference System for Belad Bont Resort in Oman
Salalah, Oman
Digital Conference System for the University of Barishal
Barishal, Bangladesh
Intelligent Conference System for China Southern Air Logistics
Guangzhou, China
Paperless Conference System for China Meteorology in Jiangsu
Jiangsu, China
Sound Reinforcement System for Philippine Social Hall
Iligan, Philippine
Professional Line Array Speaker for UPSC
Guangdong, China
Digital Conference System for Arxan Forum in Inner Mongolia
Inner Mongolia, China
Digital Conference System for National Games 2021 in Shaanxi
Shaanxi, China
CISM Military World Games 2019
Wuhan, China
G20 Hangzhou Summit 2016
Hangzhou, China
2012 ASEM Summit
ASEAN, Laos
PA & AV System for Chengdu 2021 FISU World University Games
Chengdu, China
Intelligent Audio Conference System for Office Building in Saudi Arabia
Mecca, Saudi Arabia
Conference System for Ateneo de Davao University in Philippines
Ateneo de Davao University, Philippines
Digital Conference System for Ningbo University
Zhejiang, China
Digital Conference System for Hilton Hotel in Guiyang
Guiyang, China
Array Conference System for DSPPA Audio Museum
Guangdong, China
5G Wireless Conference System for Shanghai University of Sport
Shanghai, China
Audio Conference System for Bangladesh Bank in Dhaka
Dhaka，Bangladesh
.webp "Pro Sound System for Liuba Public Sports Center, Shaanxi, China")
Latest News
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Abstract: Visit DSPPA at MITE China 2026 in Beijing from May 14–16 at Booth T019 and discover next-generation professional audio and communication technologies.
08
May 
Abstract: DSPPA marks May Day with a short holiday break in celebration of the occasion.In Celebration of May DayHoliday ScheduleAs International Workers’ Day approaches, DSPPA would like to express ...
28
Apr .webp "DSPPA | Discover, Listen, Experience: Join DSPPA at EC3-01, Beijing InfoComm 2026")
Abstract: DSPPA invites you to visit us at Beijing InfoComm China 2026, April 15–17, at CNCC, Beijing (Booth EC3-01), to explore our latest professional audiovisual innovations.
08
Apr
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