Loudspeaker DC Blocking Board PM1-LISD
PM1-LISD is a DC Blocking Board within the Bosch Loudspeaker Line Isolator System.
Key Features
- Provides redundant loudspeaker loops for Public Address and Voice Alarm (PA/VA) systems
- Significantly reduces installation cost and complexity by minimizing the need for expensive E30 cabling
- Each Master Unit supports 6 loudspeaker loops, with up to 50 Isolator Boards per loop
- Operates on 24 V and 48 V DC backup power
- Includes Walk Test mode and an installation test button for easy fault detection and system testing
Technical Specifications
- Dimensions (H x W x D): 60 x 45 x 30 mm
- Operating temperature: -5 to 55 °C
- Weight: 16 g