Special Features:

This dual capability system includes: an amplifier/control module, with internal battery pack and speaker quick mount, and three external speakers

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.