Audio Amplifier (KR-7700 ~ KR-72000)

Highlight Features

High-Power IP Public Address Audio Amplifier – KR Series

The KR Series High-Power IP Public Address Audio Amplifiers are designed for large-scale IP broadcasting systems requiring high output power, multi-zone control, and long-term operational stability. With advanced network audio decoding, comprehensive protection mechanisms, and flexible output configurations, the KR series is ideal for demanding public address and emergency broadcasting applications.

Products Description

• Network audio decoding: Built-in IP audio decoder with high-performance DAC for accurate digital-to-analog audio conversion.
• Multi-input architecture: 3 × Line inputs + 2 × Mic inputs (with priority muting) + 1 × network audio input.
• Remote & local volume control: Preset operating modes for Background Music (BGM), Emergency Broadcast, and Fire Alarm systems.
• High-power output design: Supports 100V / 70V constant-voltage (high-impedance) outputs and 16Ω low-impedance output.
• Multi-zone management: 8 independent output zones, each equipped with a dedicated on/off switch (device-side configuration).
• Smart protection system: Automatic standby, overload protection, over-temperature protection, and short-circuit protection.
• Advanced cooling technology: Two-stage temperature-controlled cooling fan system ensures stable operation under continuous high load.

Product Specification

Typical Applications

• Large-scale IP public address and emergency broadcasting systems
• Airports, railway stations, ports, and transportation hubs
• Industrial parks, factories, and logistics centers
• Stadiums, exhibition centers, and large commercial complexes
• Integrated voice evacuation and fire alarm systems