SA-7040 SA-7041 IP Network Amplifier

The IP Network Amplifier is a fully integrated solution that combines an IP network decoding terminal with a power amplifier. Designed for direct connection to constant voltage or constant impedance speakers, it enables long-distance, wide-area audio broadcasting with exceptional clarity and reliability.

1. Integrated Design: All-in-one unit combining a network audio decoder and power amplifier, simplifying installation and system architecture.

2. Robust 1U Chassis: High-performance amplifier housed in a standard 1U rack-mount design with a durable black aluminum alloy panel.

3. Fast Processing: Powered by an industrial-grade dual-core processor (ARM + DSP) for rapid system startup in under 1 second.

4. Low-Latency Network Audio: Built-in decoding module supports real-time network music playback and paging with ultra-low delay of less than 30ms.

5. Versatile Inputs/Outputs:

   Inputs: 3 x MIC, 2 x AUX, 2 x LINE, 1 x Network, 1 x optional USB (for MP3 playback/IP configuration).

   Outputs: 1 x LINE OUT, 1 x amplified speaker output.

   Controls: Independent volume knobs for MIC1-3 & AUX1-2, plus master Treble, Bass, Mute, and Volume controls.

6. Ducking Function (Mute Knob): Front-panel "MUTE" knob automatically lowers background music volume during MIC1 or network announcements, then restores it afterward for clear voice intelligibility.

7. Priority Management: 3-level priority ensures critical audio is heard (1. MIC1, 2. Network, 3. MIC2/3 & AUX).

8. Expansion & Integration:

   Short-circuit input/output interfaces for system expansion.

   DC24V standby trigger input for connection to fire alarm or emergency control systems.

9. Two-Way Communication: Supports full-duplex intercom with end-to-end delay under 30ms.

10. Program On-Demand: Terminals can request and play specific audio programs from a central server via software.

11. High-Fidelity Amplification: Built-in digital power amplifier with selectable Constant Voltage (70V/100V) or Constant Impedance (4-16Ω) output modes.

12. Comprehensive Protection: Intelligent safeguards against overload, short circuit, over/under voltage, over-current, and over-temperature conditions.

13. Clear Status Indication: Front-panel LEDs for Power, Amplifier Protection, Signal Presence, and Clipping (Peak Limit).

14. Network Connectivity: Standard 10/100M RJ45 Ethernet port supporting LAN/WAN for easy setup, expansion, maintenance, and remote firmware upgrades.

15. Ideal Applications
    Public Address (PA) systems, background music, emergency evacuation, campus broadcasting, transportation hubs, houses of worship, retail stores, and smart building audio solutions.

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