DSPPA DSP501 – 4.5" 1.5W–6W ABS Ceiling Speaker, 70V/100V Public Address & Background Music Speaker
The DSPPA DSP501 is a compact multi-power ceiling speaker with a built-in 70V/100V transformer, designed for distributed public address and background music systems requiring flexible wattage selection, wide frequency response, and reliable long-term installation. Featuring a 4.5-inch paper cone driver, durable ABS construction, and multiple terminal power options, the DSP501 is ideal for offices, classrooms, corridors, retail spaces, and commercial projects needing economical yet versatile ceiling audio coverage.
Technical Specifications:
Speaker System:
- Type: ABS Ceiling Speaker
- Model: DSP501
- Driver Unit: 4.5" × 1 Paper Cone Driver
- Rated Power: 5W
Voltage Taps:
70V Line:
- 1.5W / 3W / 5W
100V Line:
- 3W / 6W
Built-in transformer supports long-distance transmission and multiple speaker parallel connection.
Audio Performance:
- Frequency Response: 75Hz – 20kHz
- Sensitivity (1W/1m): 91dB ±2dB
- Maximum SPL (1m): 96dB ±2dB
- Sound Profile: Wide frequency response with clear voice and balanced background music
Build & Materials:
- Housing Material: High-quality ABS
- Driver Surround: Excellent damping for longer service life
- Durability: Non-deformable, non-fading, and corrosion-resistant
- Installation Design: Spring clip clamp for easy and secure ceiling mounting
Dimensions & Installation:
- Product Dimensions: 80 × Ø180 mm
- Cutout Size: Ø154 – Ø164 mm
- Net Weight: 0.8 kg
- Installation Method: Spring clip ceiling installation
Key Features:
- 4.5-inch paper cone driver
- Multi-power 70V / 100V transformer support
- 1.5W to 6W flexible power selection
- Wide frequency response (75Hz–20kHz)
- High sensitivity for compact speaker class
- Durable ABS construction
- Easy spring clip installation
- Clear paging and background music performance
- Long-distance distributed audio support
- Ideal for economical commercial PA systems
Applications:
- Offices
- Schools
- Classrooms
- Clinics
- Retail shops
- Corridors
- Reception areas
- Small commercial spaces
- Background music systems
- Public address systems
Connect Gates Professional Opinion:
From Connect Gates’ perspective, the DSP501 is a practical and highly flexible compact ceiling speaker for projects that require economical distributed audio with multiple wattage options. Its smaller 4.5-inch design makes it particularly effective for corridors, offices, classrooms, and small retail spaces where discreet installation and clear voice coverage are more important than wide-area sound power. With broad frequency response and transformer flexibility, it is an excellent budget-conscious choice for scalable PA systems.
Documents