Your New PYRAMID XPA series P.A. Amplifier gives you the power and versatility you need in a professional sound system. The amplifier's wide frequency response makes it suitable for amplifying music or vocal program material. It can be used for live bands, office paging systems, public announcements, or a variety of other installations. TABLE OF CONTENTS 1 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 4 Features and Controls, XPA-100.XPA-200.