1，8路分区控制
2，150W音频功率放大器
3，过载、过温保护并报警
4，可加配MP3音源
9221/B Power Amplifier(Wall-mounted structure)
• Multi-line broadcasting distribution panel, which can control up to 10 areas.
• Power : 100W.
• Protects and gives an alarm when overloading or overheating.
