20-Watt Public Address Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>20W at 4 to 16 Ohms and 25 / 70V</li><li>Three inputs (2 mic and telephone or 1 mic， 1 auxiliary and telephone)</li><li>Built in circuit provides microphone precedence over the auxiliary channel when a customer supplied SPST switch is actuated</li><li>Telephone input is signal activated and automatically mutes the auxiliary channel during a page</li><li>11.5 in. W x 7.5 in. D x 3 in. H</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31l8MZdGUBL.jpg" noproxy>