| ROHS Tester |
| EMC Test Chamber |
| Constant Temperature and Humidity Chamber |
| Salt Spray Tester |
| Vibration Test Machine |
| Anechoic Test Chamber |
| Accelerated Weathering Test Chamber |
| High-Low Temperature Test Chamber |
| EMI Tester |
DSPPA, a professional PA system manufacturer, is engaged in providing different public address systems for different applications. Our public address systems mainly include portable public address system, car public address system, school address system and more. These products come with high performance and low prices. Therefore, they find a wide range of applications in applications like universities, schools, hotels, communities, supermarkets, parks, factories, outdoors plazas, gymnasiums, office buildings, bus or railway stations, subways, airports, government institutions, exhibition halls, sightseeing spots, etc. At Guangzhou city, we welcome public address system manufacturers and purchasers to visit us and know more about our quality products.