27 41 00 Audio-Video Systems
Find building materials by choosing CSI Master format categories. This system follows international specification guidelines and allows sourcing for professionals using this system.
Since the master format categories are vast, we will constantly refine this search approach and add relevant specialist sub-categories with the growing database.
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27 Communications
- 27 10 00 Structured Cabling
- 27 11 00 Communications Equipment Room Fittings
- 27 20 00 Data Communications
- 27 32 00 Voice Communications Terminal Equipment
- 27 40 00 Audio-Video Communications
- 27 41 00 Audio-Video Systems
- 27 50 00 Distributed Communications and Monitoring Systems
- 27 51 00 Distributed A/V Communications Systems