
DSPPA 10W 3 Inch Neodymium Magnet Ceiling Speaker | DSP531II
The DSPPA DSP531II is a compact 3-inch ceiling speaker for public address and background music. It is rated at 10W on 70V/100V lines and measures Φ136 × 115 mm.

Key Features
Compact ceiling design: An elegant mini design with a fine circular grille that blends into indoor ceilings. The housing is made of high-quality engineering plastics.
70V/100V line taps: On a 70V line you can choose 5W or 10W, and on a 100V line it runs at 10W. You can set each room's level and connect many speakers on one amplifier line.

Clear sound: Sensitivity is 85±2 dB and maximum SPL 95±2 dB, with a 130 Hz – 20 kHz frequency response. DSPPA describes the cone as moisture-proof with high sensitivity.
Three installation versions: DSPPA offers three mounting methods: screw ring (DSP531IIA), spring clamp (DSP531IIB) and hanging rack (DSP531IIC). The speaker can also be customised to be waterproof.
Who it's for / Works with
Public address and background music playback in indoor spaces (as stated by DSPPA).
Good to know
- The mounting method depends on the version (A, B or C); confirm the version with us before ordering.
- Waterproofing is a customisation option, not standard.
- Needs a 70V/100V constant-voltage PA amplifier.
Technical Specifications
| Model | DSP531II |
| Driver | 3" × 1 |
| Rated power | 10W |
| Taps at 70V | 5W / 10W |
| Taps at 100V | 10W |
| Sensitivity (1 m, 1 W) | 85±2 dB |
| Max SPL (1 m) | 95±2 dB |
| Frequency response | 130 Hz – 20 kHz |
| Dimensions (W × H) | Φ136 × 115 mm |
| Weight | 1.04 kg |
📄 Datasheet: Download the official DSPPA DSP531II datasheet (PDF)
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