Description:

28.0 volts dc voltage rating, government component document origin, sig document source, repair parts list document type, public address set joint electronics type designation system item name.

Properties:

A fixed number of components and/or items, not all having the same basic name, which are required for reproducing sound specially designed for entertainment and/or dissemination of information. May exclude certain operating components supplied separately or already present at the point of usage, for reproducing sound specially designed for entertainment and/or dissemination of information.