Wall mountable, rugged, and easy-to-use, the WM Series is built for reliability and sound quality. Designed for demanding commercial sound and telephone paging applications, the WM Series deliver 60/100/125 watts of continuous RMS power and features 4 channels (1 mic, 2 aux, 1 600 ohm/Tel-Page) with low distortion, wide frequency response, and full range bass and treble controls. Plus, with over a half-century of experience in the industry, Grommes~Precision backs the WM Series with its unbeatable expertise and Precision Assurance Pledge: a 5 year warranty and a 30 day money back guarantee.