Wall-Mounted IP Audio Amplifier (KR-705 / KR-705G)
Highlight Features
Wall-Mounted IP Audio Amplifier – Series KR
The KR Series Wall-Mounted IP Audio Amplifiers are compact, high-performance network amplifiers designed for distributed IP public address systems. With flexible input options, integrated IP audio decoding, and wall-mounted installation, they are ideal for localized audio zones, classrooms, offices, corridors, and small commercial spaces.
Products Description
- Network audio decoding: Built-in IP audio decoder for converting digital network audio signals to analog output.
- Multi-input design: 1 × Line input + 1 × Mic input (with priority function) + 1 × IP network audio input.
- Flexible volume control: Supports both remote and local volume control.
- Preset operating modes: Optimized modes for Background Music (BGM), Emergency Broadcast, and Fire Alarm.
- Compact wall-mounted design: Space-saving installation, suitable for decentralized audio zones.
Product Specification
| Model | KR-705 | KR-705G |
|---|---|---|
| Type | IP audio amplifier | IP audio amplifier (2.4G support) |
| Network | RJ45 Ethernet port (10/100 Mbps), supports TCP/IP / UDP / IGMP protocols | |
| System Expandability | AUX output for connecting an external power amplifier | |
| Audio Formats | MP3 / MP2 (32 kbps – 320 kbps) | |
| Rated Power Output | 2 × 20 W @ 8 Ω (maximum 30 W) | |
| Frequency Response | 30 Hz – 18 kHz | |
| Signal-to-Noise Ratio (SNR) | ≥ 88 dB | |
| Total Harmonic Distortion (THD) | < 1% (1/3 rated power, 1 kHz, sine wave) | |
| Power Supply | AC 220 V ±10% | |
| 2.4G Support | — | 2.4G wireless audio system via optional headset microphone |
| Dimensions | 120 × 130 × 40 mm | |
| Enclosure | Metal (steel) housing | |
Typical Applications
- Classrooms and training rooms
- Office buildings and meeting areas
- Retail stores and small commercial spaces
- Corridors, lobbies, and zone-based audio systems
- Distributed IP public address and emergency broadcast systems
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