Wall-mounted speaker | 70/100V | 6–10W | 92dB | steel housing | Fire Dome protection | 6.5" speaker

Technical Specifications

Manufacturer: DSPPA
Model: DSP904
Power: 1.5 / 3 / 6 / 10 W
Input: 70V / 100V line
Speaker size: 6.5"
Sensitivity: 92 ± 2 dB
Frequency range: 100 Hz – 16 kHz
Housing: High-grade steel
Fire Dome: Yes, integrated
Cable protection: Leaded wire case (fire-resistant)
Mounting: Spring clip
Outer diameter: Ø ~200–210 mm
Cut-out diameter: Ø ~165–175 mm
Depth (with Fire Dome): ~110–125 mm

Features

Fire Dome protection – fire-resistant steel enclosure

Integrated 70V/100V transformer – professional line system

6.5" paper cone – natural and clear voice reproduction

1.5–10 W power – multiple power taps for different zones

92 ± 2 dB sensitivity – high efficiency and clarity

Fire-resistant cable channel (leaded wire case)

Steel housing and grille – durable and reliable

Spring clip – quick installation

Applications

For home users: Ideal for corridors, garages, and utility rooms; fire-safe construction ensures safety with clear voice reproduction and sufficient volume.
For engineers/designers: Excellent for safety, paging, and background music systems; meets fire-safety requirements where Fire Dome protection is mandatory; suitable for commercial and public buildings such as offices, schools, hospitals, and hallways.
For electricians/installers: Fast tool-free installation, robust steel housing resistant to installation damage, multiple power options for easy project adaptation.

Pros

Fire Dome increases safety

6.5" size – better sound performance than 4.5" models

High 92 dB sensitivity

Durable steel housing

Universal 1.5–10 W power selection

Cons

– Designed more for voice than music (limited low-frequency output)
– Spring clip system is fast but not as premium as rotating clamps