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专利产品号：ZL 202023122983.6

QPFX音响自1994年八月中秋前夕制造出第一对音箱一年后制造出了适合自己的第一台功率放大器至今，已超过30年来不断研发更新，至今制造出了全球首创新型智能数字音频功率放大器，其功能及性能就远领先于世界专业音响行业，2018年QPFX音响系统率先采用数字光纤传输技术从最初的1000m无损传输到20Km无损传输距离提高到了现在120Km，不但声音清晰饱满通透，工艺也很精湛。行业内独一无二的先进技术.目前产品已销往七十多个国家。（该数字音频功率放大器音频输入输出模块可以兼容所有带SFP端口的数字调音台设备）。

QPFX Audio made its first pair of speakers in August 1994, right before the Mid-Autumn Festival. A year later, it produced its first power amplifier suited for its needs. Over the past 30+ years, it has continuously developed and updated its products. Today, it has created the world's first innovative smart digital audio power amplifier, with functions and performance far ahead of the professional audio industry. In 2018, QPFX Audio Systems was the first to adopt digital optical transmission technology, increasing the lossless transmission distance from the initial 1000m to 20km, and now up to 120km. The sound is not only clear, full, and transparent, but the craftsmanship is also excellent. This unique advanced technology is one-of-a-kind in the industry. Currently, its products are sold in over seventy countries. (The audio input and output modules of this digital audio power amplifier are compatible with all digital mixing console devices that have SFP ports).

优点：该数字音频功率放大器光纤模块输入输出采用单模单光纤数字音频信号传输距离可达120Km.

Advantage: This digital audio power amplifier uses single-mode single-fiber digital audio signal transmission for its optical module input and output, with a transmission distance of up to 120 km.

1、远程网络开关机、可编程群组电源管理 1. Remote network power on and off, programmable group power management     

2、远距离音频光纤传输20-120km（标配单模单纤20公里收和发双模块配置） 2.Long-distance audio fiber optic transmission 20-120km (standard single-mode single-fiber 20km transmit and receive dual-module configuration).

3、SC端口光纤直接输入 3. SC port optical fiber direct input

4、热备份输入音频信号自动切换  4、Hot backup input audio signal automatic switching

5、宽电压AC90V-260V输入 5. Wide voltage AC90V-260V input

6、故障保护时降低输出功率（不断音）不停机功能 6. Reduce the output power (uninterrupted) non-stop function during fault protection

7、四路输出功率定阻定压可转换 7. The four output power constant resistance and constant voltage can be converted

8、机联可多达500台 8. The machine connection can be up to 500 units

9、可通过远程管理调控主机 9. The host can be controlled through remote management     

10、4.3寸彩色触摸屏 10. 4.3-inch color touch screen

11、内置中英文界面 11. Built-in Chinese and English interfaces

12、整机具有防潮、防锈、绝缘处理 12. The whole machine has moisture-proof, anti-rust and insulation treatment             

13、4路Dante输入 13. 4 Dante inputs

14、4路AES输入 14. 4 AES inputs

15、4路DSP精细处理器 15. 4-channel DSP fine processor

16、FIR全通滤波器 16. FIR all-pass filter    

17、PWM超大功率设计 17. PWM ultra-high power design

18、4路XLR模拟输入 18. 4 XLR analog inputs

19、定阻输出4-16欧姆 19. Constant resistance output 4-16 ohms

20、定压输出70V、100V  20. Constant voltage output 70V, 100V

21、RS485及RS232端口 21. RS485 and RS232 ports

22、USB本地调节 22. USB local adjustment

23、本机具备四口网络交换机功能 23. This machine has the function of four-port network switch

24、输入灵敏度三档调节 24. Input sensitivity three-level adjustment

25、内置QPFX音箱模式 25. Built-in QPFX speaker mode

26、工作状态温度显示 26. Working status temperature display

27、功放具有热备份功能 27. The amplifier has a hot backup function

28、内部电路板采用绝缘、防潮、防腐蚀处理 28. The internal circuit board is insulated, moisture-proof and anti-corrosion

29、息屏状态信号自动触发  29. The screen status signal is automatically triggered

30、机体采用IP55防水处理  31. The body is IP55 waterproof

优点：该数字音频功率放大器光纤模块输入输出采用单模单光纤数字音频信号传输距离可达120Km.

Advantage: This digital audio power amplifier uses single-mode single-fiber digital audio signal transmission for its optical module input and output, with a transmission distance of up to 120 km.