Viking 30 Watt Telecom Paging Amp with Loud RingerDrive up to (30) 8 ohm speakers-70V output can drive up to (50) 70V speakers-Master volume control-Separate volume controls for Auxiliary input, paging, ringing tones, and background music-Choose from up to 4 ringing sounds: - Electronic warble (traditional loud ringer), Double gong (two identical "gong” tones), Quadruple chime (four descending chime tones), Door chime (ding-dong) -Provides loud ringing or night bell-Night transfer switch-Page from an unused trunk port or paging port-Can provide background music from an external source-Use as a low cost stand alone power amplifier-600 Ohm output to drive additional amplifiers-Use multiple units for more paging power