Bosch ET90-W High-Performance Speaker, White
SKU
ET90-W
Model No
ET90-W
$41.14
Product Highlights
- 25 VRMS or 70 VRMS operation at a choice of seven taps from 0.125 W to 8 W
- Cost-effective two-wire design
- Low average current draw
- Extra protection and improved audibility through sealed-back speaker construction
- Easy wiring with screw terminals

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The Bosch ET90-W High-Performance Speaker in white delivers exceptional audio output and is specifically engineered for the life safety industry, ensuring effective emergency voice communications and tone signaling. With high efficiency and clear sound reproduction over a wide frequency range, this speaker offers both reliability and ease of installation, making it an ideal choice for critical environments.
Bosch ET90-W Speaker Features
- 25 VRMS or 70 VRMS operation: Allows for flexibility with seven power taps ranging from 0.125 W to 8 W, ensuring compatibility with various systems.
- Cost-effective two-wire design: Reduces installation complexity and costs while maintaining performance quality.
- Low average current draw: Minimizes energy consumption, making it a sustainable choice for long-term use.
- Sealed-back speaker construction: Offers extra protection and enhances audibility, ensuring clear communication in emergencies.
- Easy wiring with screw terminals: Simplifies the installation process, saving time and effort for technicians.
Detailed Specifications for Bosch ET90-W
| Model | Bosch ET90-W |
| Type | High-Performance Speaker |
| Frequency Range | 400 Hz to 4 kHz |
| Power Output | 0.125 W to 8 W (Selectable) |
| Construction | Sealed-back design |
| Mounting | Includes mounting plate with level adjustment |
| Color | White |
| Wire Connection | Screw terminals |
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