Tonewinner Room Correction Room Calibration System, EQ Test Introduction to Basic Content.

★Make sure to check out the our amazing products at en.tonewinner....
If you want to do OEM/ODM projects, please let me know.
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📞 Contact us:
★Mail: [e-mail]
★Web:
① en.tonewinner.... (New English Website)
② www.tonewinner....
③ gztonewinner.e... （Alibaba online shop）
★Whatsapp：[phone]
★Skype：Coco_Peng1268
Here are some AVR and AV Processor that needs to EQ test.
1. AT-3000 11 CH AV Receiver: en.tonewinner....
2. AT-2900 9 CH AV Receiver: en.tonewinner....
3. AT-2700 7 CH AV Receiver: en.tonewinner....
4. AT-2300 7 CH Karaoke AV Receiver: en.tonewinner....
5. AT-2000 11 CH Karaoke AV Receiver: en.tonewinner....
6. AT-1200 5 CH AV Receiver: en.tonewinner....
7. AT-300 13 CH AV Processor: en.tonewinner....
8. AT-200 11 CH AV Processor: en.tonewinner....