The Bogen DRZ120 is a unique, self-contained 6-zone music and paging system for small- to medium-sized applications. It combines a digital FM tuner / MP3 player with seven (7) MIC & LINE inputs. It has a 120-watt amplifier capable of driving 4-16 ohm or 70-volt speaker systems.The DRZ120 permits connection of up to six individual paging and music zones. The DRZ120 also features Bass and Treble controls and a 5-segment LED output signal level indicator. The built-in FM tuner uses a PLL synthesizer to provide accurate frequency selection. MP3 audio can be played from files (.mp3 & .wav) accessed via the USB or SD card slots on the front panel.The MIC1 Input can be set for VOX-activated override/muting of the other audio inputs. Additionally, there is a push-button activated Chime feature that produces a short, melodic series of four ascending bell-like alert tones which are played across all outputs.