

Model | DSP531II | |
Drive Units | 3”x 1 | |
Rated Power | 10W | |
Rated Voltage | 70V | 5W/10W |
100V | 10W | |
Sensitivity (1m, 1W) | 85±2dB | |
Max. SPL(1m) | 95±2 dB | |
Frequency Response | 130Hz-20kHz | |
Dimension(W x H) | Φ136×115mm | |
Weight | 1.04kg | |
DSP3011C 3 Inch Frameless Waterproof Ceiling SpeakersAugust 19, 2022DSP3011C is a ceiling speaker with a back cover. With clear and bright sound, it is suitable for public address and background music broadcasting. With IP66 waterproof structure design and simple appe...viewwe will contact you within 24 hours.
Requirement Analysis of Wireless Pa System for SchoolsFebruary 5, 20211. The wireless PA system for schools requires the overall design to achieve unified and centralized system control and management throughout the school.2. The main control station must have multi-cha...view
DSPPA | Wishing You a Happy New Year 2026December 31, 2025Abstract: Happy New Year 2026 from DSPPA, with our sincere thanks to all customers and partners.view