DSPPA DSP207II – 20W Unidirectional Sound Projector, 70V/100V Commercial Public Address & Background Music Speaker
The DSPPA DSP207II is a high-performance unidirectional sound projector designed for long-distance voice and music transmission in corridors, tunnels, shopping galleries, and elongated commercial spaces. Featuring a 5-inch coaxial speaker with 0.75-inch tweeter, 20W RMS output, wall-mount installation, and 70V/100V transformer compatibility, the DSP207II delivers focused directional audio with enhanced clarity for professional public address and background music applications.
Technical Specifications:
Speaker System:
- Type: Unidirectional Sound Projector
- Model: DSP207II
- Speaker Unit: 5" × 1 + 0.75" × 1 Coaxial Unit
- Rated Power (RMS): 20W
Voltage:
- Working Voltage: 70V / 100V
Built-in distributed audio compatibility supports long-distance transmission and commercial PA deployment.
Audio Performance:
- Frequency Response: 90Hz – 20kHz
- Sensitivity (1W/1m): 86dB ±2dB
- Maximum SPL (1m): 98dB ±2dB
- Sound Profile: Focused directional projection with improved voice and music clarity
Build & Materials:
- Housing Material: High-strength ABS (UL94V-0 compliant)
- Driver Material: High-quality PP material with moistureproof edge
- Design: Compact unidirectional cylindrical projector
- Durability: Moisture-resistant, durable, and designed for long-term indoor commercial use
- Aesthetic: Clean architectural design suitable for modern indoor spaces
Dimensions & Installation:
- Product Size (H × W × D): Ø138 × 218 mm
- Weight: 1.44 kg
- Installation Method: Wall mount bracket installation
- Mounting Style: Directional wall or surface-mounted projector
Key Features:
- 20W RMS unidirectional sound projector
- 5" coaxial woofer + 0.75" tweeter
- 70V / 100V distributed audio support
- Long-distance directional sound transmission
- Clear voice and music reproduction
- Compact architectural design
- Moistureproof driver edge
- UL94V-0 high-strength ABS housing
- Easy wall mounting
- Ideal for tunnels, corridors, and galleries
Applications:
- Tunnels
- Corridors
- Shopping galleries
- Transportation walkways
- Commercial passages
- Warehouses
- Schools
- Retail pathways
- Public address systems
- Background music systems
Connect Gates Professional Opinion:
From Connect Gates’ perspective, the DSP207II is a stronger and more refined directional audio solution than standard hanging sound projectors when projects require focused wall-mounted sound projection with better voice and music detail. Its coaxial design gives it an advantage in clarity for corridors, tunnels, and shopping galleries where speech intelligibility and directional control are critical. This model is particularly suitable for architectural commercial spaces needing professional long-range projection without bulky PA horn designs.
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