Bosch ET90-N High-Performance Speaker, Nickel
SKU
ET90-N
Model No
ET90-N
$60.05
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-N High-Performance Speaker is engineered to deliver superior audio output and clarity, specifically designed for life safety communications and tone signaling. This speaker features high efficiency for maximum sound output while consuming minimal power, ensuring reliable performance across a frequency spectrum of 400 Hz to 4 kHz. An easy-to-install mounting plate and a visually pleasing grill cover make it a practical and attractive choice for any installation.
Bosch ET90-N Speaker Features
- Audio Operation: 25 VRMS or 70 VRMS operation at a choice of seven taps from 0.125 W to 8 W for versatile installation options.
- Design Efficiency: Cost-effective two-wire design that simplifies wiring and installation.
- Power Efficiency: Low average current draw, reducing overall energy consumption.
- Enhanced Protection: Sealed-back speaker construction offers extra protection and enhances sound clarity.
- Installation Ease: Easy wiring with screw terminals ensures quick and straightforward setup.
Detailed Specifications for Bosch ET90-N
| Frequency Range | 400 Hz to 4 kHz |
| Power Taps | 0.125 W, 0.25 W, 0.5 W, 1 W, 2 W, 4 W, 8 W |
| Voltage Options | 25 VRMS, 70 VRMS |
| Current Draw | Low average current draw |
| Mounting | Mounting plate with built-in level adjustment |
| Cover Type | Two-screw grill cover |
| Construction | Sealed-back design |
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