Yorkville CA1 Coliseum 70V Rack-Mountable Power AmplifierThe CA1 is a rack mountable power amplifier for retail, restaurant, office, and worship applications. It delivers 180 watts in mono, and can drive a 4 load or up to four separate 70 volt speaker systems in a multi zone setup. With a versatile assortment of inputs and outputs, its easy to integrate microphones, media players, and telephone signals. Unlike most installation amplifiers in this class, the CA1 features selectable phantom power for use with