Bosch LM1-VC12P volume controller
- 12W rated volume controller for 100V line PA systems
- Allows local volume control without affecting the main amplifier
- 9-step attenuation with OFF position for precise sound adjustment
- Maintains clear speech and music quality across all volume levels
- Compatible with Bosch and other standard 100V PA amplifiers
- Wall-mount portrait design for easy and neat installation
- Secure 4-way screw terminal connections
- Durable Bosch build quality for long-term commercial use
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
The Bosch LM1-VC12P Volume Control Unit is a high-quality 12W wall-mount volume controller designed for 100V line public address (PA) systems. It allows users to control speaker volume locally in a specific zone without affecting the overall PA system output. Built with Bosch  professional audio quality, this volume controller ensures clear sound, smooth level adjustment, and long-term durability, making it ideal for offices, schools, hospitals, retail stores, hotels, factories, and commercial buildings across India. Whether used for announcements, background music, or paging systems, this Bosch volume controller provides a simple, durable, and efficient solution for managing PA system audio.
Q1. Is Bosch LM1-VC12P compatible with all PA systems?
A-1 Yes, it is compatible with 100V line PA systems, including Bosch and other standard brands.
Q2. Can I use this volume controller at home?
A-2 It is mainly designed for commercial and professional PA installations, but can be used at home if a 100V PA system is installed.
Q3. Does it control multiple speakers?
A-3 Yes, as long as the total speaker load does not exceed 12W.
Q4. Is installation difficult?
A-4 No, it is easy to wall-mount and comes with screws and an installation manual.
Q5. Does it affect sound quality?
A-5 No, it maintains clear speech and music quality across all volume levels.
Specifications
| Product Name | Bosch LM1-VC12P Volume Control Unit |
| Model | LM1-VC12P-IN |
| Rated Power | 12 W |
| Input Voltage | 100 V line |
| Attenuation Steps | 9 × –3 dB + OFF |
| Frequency Response | 50 Hz – 20 kHz (–1 dB) |
| Connection | 4-way screw terminal |
| Supported Wire Gauge | 0.8 mm² – 2.0 mm² |
| Operating Temperature | –5 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Relative Humidity | Up to 95 % |
| Dimensions (W × D × H) | 92.6 × 91 × 80 mm |
| Weight | 270 g |
| Color | Signal White (RAL 9003) |
| Mounting Style | Portrait wall mount |
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