Speco Technologies' Multi-Application (MA) Series was designed with the focus of making the contractor's work as easy and time-efficient as possible. Our all-in-one unit, pre-assembled with a back can and mounted transformer, features a quick flip 70 or 25 Volt selector switch and an easy select transformer wattage dial featuring the choice of 8 or 9 individual wattage tap settings covering your complete range of needs. This flame-retardant, ABS unit also comes with insulated wires, has an attached metal safety loop and easy mount tabs for securing the unit. The MA Series is the ideal all purpose, value sound solution covering a wide range of applications in commercial sound. With a furnished 8 ohm tap selector, the speaker can be kept readily on hand to meet all your unexpected sound installation needs.