The STH-4R Cluster Horn Loudspeaker from Bosch is engineered for optimal performance in high ambient noise environments like manufacturing and processing plants. With a powerful output of up to 102 dB at 15 W and versatile mounting options, this speaker is perfect for ensuring clear and effective communication in challenging settings.
Bosch STH-4R Cluster Horn Loudspeaker Features
- Multi-directional sound: Provides comprehensive coverage in noisy environments, ensuring that alerts and announcements reach all areas effectively.
- Field-selectable taps: Choose between 1 W to 15 W for either 25 VRMS or 70 VRMS, allowing customization based on installation requirements and ambient noise levels.
- UL-rated frequency range: With a reverberant frequency range from 400 Hz to 4 kHz, it meets stringent safety and performance standards for reliable operation.
- Flexible mounting options: Easily mountable on walls or ceilings to suit various installation needs.
- Conduit knockouts: Designed with ½-inch or ¾-inch couplings for easy wiring and installation.
Bosch STH-4R Detailed Specifications
| Output Power | Up to 15 W |
| Sound Pressure Level | 102 dB at 15 W (at 10 feet) |
| Frequency Range | 400 Hz to 4 kHz |
| Mounting Type | Wall or Ceiling |
| Voltage Options | 25 VRMS / 70 VRMS |
| Knockouts | ½-inch and ¾-inch |
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