Network PA System – 16‑Zone Matrix with Monitor (2U, 4 Background + 4 Alarm Inputs, Built‑in Speaker)

Features:

- High‑grade aluminum 2U black anodized brushed panel, elegant and stylish.
- 16‑zone paging selection function.
- All‑zone on/off function, for quick control of 16‑channel output.
- Zone alarm activation function, for emergency fire broadcast.
- 4‑channel background music input, 4‑channel alarm sound source input.
- 16‑channel monitoring channel indicator lights, for real‑time monitoring status check.
- 16‑channel paging indicator lights, for clear display of each channel's working status.
- Built‑in high‑fidelity 5W/8Ω full‑range monitoring speaker.
- Adjustable monitoring volume.

This **Network PA System** zone matrix allows flexible routing of background music and emergency signals to 16 independent zones, with built‑in monitoring for real‑time verification.

Technical Specifications:

- Group A1 Input: 70V/100V, audio signal "CH1‑CH4".
- Group A2 Input: 70V/100V, audio signal "CH5‑CH8".
- Group A3 Input: 70V/100V, audio signal "CH9‑CH12".
- Group A4 Input: 70V/100V, audio signal "CH13‑CH16".
- Group B1 Input: 70V/100V, emergency broadcast (alarm) audio signal "CH1‑CH4".
- Group B2 Input: 70V/100V, emergency broadcast (alarm) audio signal "CH5‑CH8".
- Group B3 Input: 70V/100V, emergency broadcast (alarm) audio signal "CH9‑CH12".
- Group B4 Input: 70V/100V, emergency broadcast (alarm) audio signal "CH13‑CH16".
- Monitorable Lines: 16 channels "CH1~CH16".
- Monitoring Speaker: Built‑in high‑fidelity "HiFi" full‑range speaker, 5W.
- Zone Input Capacity: Total audio signal input capacity: 4kW; average load capacity per zone: 250W; total emergency broadcast (alarm) audio signal input capacity: 4kW; average load capacity per zone: 250W.
- Alarm Activation Input: (0V) short‑circuit signal (ALARM IN).
- Alarm Activation Output: (0V) 2‑way short‑circuit signal (ALARM OUT).
- Protection: AC FUSE × 0.5A.
- Power Supply: AC 220V ± 10% 50‑60Hz.
- Power Consumption: 15‑20W.
- Machine Dimensions: 89 × 483 × 366 mm.
- Net Weight: 6.8Kg.

In summary, this **Network PA System** 16‑zone matrix with monitor, dual audio source groups, and alarm integration is the ideal choice for schools, hospitals, hotels, and large commercial buildings requiring reliable zone‑based public address and emergency broadcasting.