Viking Electronics PA 250 250 Watt 70V Telecom Paging Amplifier 500 foot power (30 watts nominal) and Category_Marine Stereos power (30 watts nominal) and feature Pioneer’s extremely strong and lightweight Injected Molded Polypropylene (IMPP) with MICA composite cone woofers for improved sensitivity and reduced distortion Power Supply: 100 240V (+ 15V DC Power Adapter) or a direct microphone Auxiliary and Background Music inputs Individual and Master volume controls Bass and Treble controls LEDs show audio level and activity Programmable input priorities Chose between 3 different chime sounds Provides Loud Ringing Night Bell Night Transfer switch input 600 Ohm output to drive additional amplifiers Adjustable Automatic Level Control Peak limiter and multiple protection modes Powerful 70V amplifier drives up to 250 Watt load Page from any analog telecom port