DSPPA DSP308 – 30W Waterproof Outdoor Column Speaker, Aluminum Mesh Commercial Public Address & Wide-Coverage Professional Voice Projection Speaker
The DSPPA DSP308 is a high-performance waterproof outdoor column speaker designed for larger commercial and public environments requiring wider directional projection, stronger SPL, and professional-grade outdoor durability while maintaining slim architectural elegance. Positioned as the high-power solution in the DSP108 / DSP208 / DSP308 / DSP408 outdoor column series, it features certified waterproof construction, aluminum anti-corrosion mesh cover, dual-crossover acoustic design, high-sensitivity dynamic speaker units, and flexible 70V/100V distributed audio compatibility, making it ideal for schools, campuses, factories, parks, transportation pathways, public spaces, and larger perimeter commercial projects.
Technical Specifications:
Speaker System:
- Type: Waterproof Outdoor Column Speaker
- Model: DSP308
- Rated Power (RMS): 30W
- Speaker Architecture: Dual-Crossover Design
Voltage Taps:
70V Line:
- 15W / 30W
100V Line:
- 30W
Supports distributed commercial public address systems with long-distance transmission capability.
Audio Performance:
- Frequency Response: 140Hz – 14kHz
- Sensitivity (1W/1m): 91 ±2dB
- Maximum SPL (1m): 106 ±2dB
- Distortion: THD <1.5%
- Sound Profile: Strong wide-area outdoor voice projection with higher authority, greater speech intelligibility, and balanced large-space commercial coverage
Build & Materials:
- Waterproof Certification: Yes
- Mesh Material: Aluminum anti-corrosion net cover
- Cabinet Design: Slim architectural outdoor column enclosure
- Acoustic Design: Dual-crossover construction for superior outdoor sound quality
- Speaker Characteristics: High sensitivity + high dynamic range
- Durability: Weatherproof, corrosion-resistant, and long-term outdoor commercial reliability
Dimensions & Installation:
- Product Dimensions (L × W × H): 125 × 150 × 500 mm
- Weight: 4.4 kg
- Installation Style: Outdoor wall / column mounting
- Mounting Advantage: Wide-coverage slim professional outdoor deployment
Key Features:
- 30W RMS outdoor column speaker
- Certified waterproof construction
- Aluminum anti-corrosion mesh
- Dual-crossover acoustic architecture
- High sensitivity speaker units
- 70V / 100V distributed compatibility
- Slim professional outdoor design
- Wide-area directional projection
- Higher SPL commercial performance
- Premium medium-large outdoor deployment
Applications:
- Large schools
- Campuses
- Parks
- Factories
- Outdoor corridors
- Transportation pathways
- Public facilities
- Building perimeters
- Commercial outdoor broadcasting
- Medium-large public address zones
Connect Gates Professional Opinion:
From Connect Gates’ perspective, the DSP308 is the ideal outdoor column solution for projects that require significantly wider and stronger outdoor sound coverage than the DSP208 while preserving elegant slim architecture. Its 30W power output, higher SPL, and weatherproof corrosion-resistant design make it especially effective for campuses, industrial sites, larger schools, parks, and transportation zones where medium-power speakers may fall short. This model is an excellent choice for medium-large outdoor projects balancing premium appearance with serious public address performance.
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