8 Zones Voice Evacuation System Host NVS-50010508EV

FEATURES

• With one-key alarm and two editable alarm voices; with EMC MIC for on-site guidance in emergencies;
• Built-in EVAC voice message and Chimes management, real-time monitoring;
• Built-in 500W digital power amplifier, and can be connected to a standby amplifier simultaneously, backup automatically;
• 8 zones with A & B circuit output, independent switch and volume control with master volume and treble and bass adjustment
• for each zone; each zone can output 500W, the total power of 8 zones ≤ 500W;
• 6 external inputs, including 2 differential inputs, 4 non-parallel inputs for background music playback; 1-channel output to connect extender or backup records;
• Support built-in audio playback (mp3, wav);
• Support extended zones for extended equipment, supporting up to 160 zones;
• Support automatic playback and timing function, fixed time and area playback, and unattended function;
• 8 trigger inputs (dry contacts and electrical level optional); 8 dry contacts trigger outputs, 8 24V override outputs;
• Support computer remote detection and control, audio priority setting, operation record view and impedance testing parameters setting;
• Support speaker line detection (grounding, open circuit, short circuit), and system detection (extended equipment, off-line MIC);
• Support AC power supply and DC 24V power supply, can automatically identify and switch, and detect AC, DC power connection and warn; AC power supply is usually the main power supply;
• Dial-up code setting, system equipment general detection / trigger mode configuration / host IP address selection / host IP address reset option / speaker loop calibration modeling;
• Support system failure, emergency output, emergency reset input;
• Equipment working status display: work/ fault /normal;
• External SD card interface, which can expand 8G storage space; external audio source, recording, log, built-in EVAC voice, etc.;
• With monitoring function, built-in recording function, built-in timing programming function, which can regularly program dry contacts to control power sequencer switch;
• Can output dual audio simultaneously to ensure background playback is not affected by emergency or business broadcast.