Audio part：
1. Support advanced DOLBY-ATMOS, DTS: X audio decoding, and down-compatible decoding of all high-definition audio formats; Including Dolby True-HD, Dolby Digital Plus, DTS Master, DTS HI RES, etc.
2. It has perfect audio and video matrix grouping function.
3. HDMI2.0 six in and two out, each input group is grouped independently, and mode, volume and karaoke are grouped independently for memory and independent adjustment;
4. Intelligent room acoustic characteristic scanning;
5. OSD all-Chinese 5-band (bass)+11-band (full-frequency channel) EQ adjustment, parameters are displayed synchronously with the figure.
6. EQ of each input group is independently selected and adjusted;
7. The karaoke switch follows the setting independently.
8. Lip synchronization technology up to 1000 milliseconds;
9. Powerful low frequency management: front, center, surround, rear, sky channel grouping independently adjust the inflection point and slope of the filter; Bass enhancement and other functions;
10. Multiple sound field layouts can be realized according to requirements: 5.1, 5.1.2, 5.1.4, 7.1, 7.1.2, 7.1.4, 7.2.4
11. Professional level 7.2.4 full balance and RCA terminal output;
12. One-click shadow/K mode switch (three options: built-in effector, external pure voice, and external effector);
13. Karaoke volume and music volume switch setting;
14. 7.2 Immersive digital karaoke effect; DSP digital karaoke sound effect processing, nine-level anti-whistling;
15. External effector access is supported, and independent grouping can be realized,
16. Full balance and RCA port external effector input;
17. Built-in Bluetooth music wireless transmission function;
18. Built-in U disk and TF card local music playback function;
19. USB external sound card function, direct computer digital audio input;
20. Support HDMI ARC audio return;
21. Support 2 groups of optical fiber, 2 groups of coaxial, and 3 groups of stereo multi-function audio input;
22. DRC intelligent dynamic audio processing technology;
Video part：
1. HDMI2.0 six in and two out; Support audio and video matrix grouping management;
2. Support the transmission and processing of 3D and 4K ultra-high-definition video, and down-compatible with all video formats;
3. DOLBY-VISION HD visual field;
4. HDR10, HDR10+full ecological video technology
5. HLG color enhancement technology
6. Compound Chinese OSD large screen display menu management and setting;
7. HDMI CEC online control;
8. HDMI video output mode management;
Others：
1. Support RS232 international standard control protocol;
2. Multiple common functions are called with one button;
3. Support IR infrared extension function,
4. Support 5V connected trigger function;
5. Support standby pass-through function;
6. Support HDCP2.2 international audio control protocol;
7. Mobile APP control operation;
8. Switch on/off state memory function;
9. Support engineering lock;
10. Support machine parameter backup and call
11. Support one-button factory setting recovery
12. Support user parameter saving and calling settings;

Audio part：

1. Support advanced DOLBY-ATMOS, DTS: X audio decoding, and down-compatible decoding of all high-definition audio formats; Including Dolby True-HD, Dolby Digital Plus, DTS Master, DTS HI RES, etc.

2. It has perfect audio and video matrix grouping function.

3. HDMI2.0 six in and two out, each input group is grouped independently, and mode, volume and karaoke are grouped independently for memory and independent adjustment;

4. Intelligent room acoustic characteristic scanning;

5. OSD all-Chinese 5-band (bass)+11-band (full-frequency channel) EQ adjustment, parameters are displayed synchronously with the figure.

6. EQ of each input group is independently selected and adjusted;

7. The karaoke switch follows the setting independently.

8. Lip synchronization technology up to 1000 milliseconds;

9. Powerful low frequency management: front, center, surround, rear, sky channel grouping independently adjust the inflection point and slope of the filter; Bass enhancement and other functions;

10. Multiple sound field layouts can be realized according to requirements: 5.1, 5.1.2, 5.1.4, 7.1, 7.1.2, 7.1.4, 7.2.4

11. Professional level 7.2.4 full balance and RCA terminal output;

12. One-click shadow/K mode switch (three options: built-in effector, external pure voice, and external effector);

13. Karaoke volume and music volume switch setting;

14. 7.2 Immersive digital karaoke effect; DSP digital karaoke sound effect processing, nine-level anti-whistling;

15. External effector access is supported, and independent grouping can be realized,

16. Full balance and RCA port external effector input;

17. Built-in Bluetooth music wireless transmission function;

18. Built-in U disk and TF card local music playback function;

19. USB external sound card function, direct computer digital audio input;

20. Support HDMI ARC audio return;

21. Support 2 groups of optical fiber, 2 groups of coaxial, and 3 groups of stereo multi-function audio input;

22. DRC intelligent dynamic audio processing technology;

Video part：

1. HDMI2.0 six in and two out; Support audio and video matrix grouping management;

2. Support the transmission and processing of 3D and 4K ultra-high-definition video, and down-compatible with all video formats;

3. DOLBY-VISION HD visual field;

4. HDR10, HDR10+full ecological video technology

5. HLG color enhancement technology

6. Compound Chinese OSD large screen display menu management and setting;

7. HDMI CEC online control;

8. HDMI video output mode management;

Others：

1. Support RS232 international standard control protocol;

2. Multiple common functions are called with one button;

3. Support IR infrared extension function,

4. Support 5V connected trigger function;

5. Support standby pass-through function;

6. Support HDCP2.2 international audio control protocol;

7. Mobile APP control operation;

8. Switch on/off state memory function;

9. Support engineering lock;

10. Support machine parameter backup and call

11. Support one-button factory setting recovery

12. Support user parameter saving and calling settings;