ยี่ห้อ : SOUNDTECH รุ่น : AK-2500 แอมป์คาราโอเกะ รายละเอียดสินค้าทั้งหมด 1.Display 2.USB socket 3. Signal Selection (AUXA/ AUXB / USB Signal Selection) 4.USB-MP3 player to play and pause 5.USB-MP3 play a song 6.USB-MP3 player channel selection 7.USB-, P3 to play the next song (Note: 1-7 for MP3 function with the machine's function description) 8. Power switch 9. Microphone effect delay time potentiometer 10. Microphone effect back to adjust the potentiometer potentiometer 11. Microphone bass adjustment potentiometer 12. Microphone midrange adjustment potentiometer 13. Microphone treble adjustment potentiometer 14. Microphone input socket 15/16/17 microphone volume shunt adjustment potentiometer 18. background music bass adjustment potentiometer 19. background music treble adjustment potentiometer 20. background music around the balance adjustment potentiometer 21. microphone effect volume adjustment potentiometer 22. Microphone total volume adjustment potentiometer 23. Background music total volume adjustment potentiometer 24. FBX feedback benefit frequency switch 25. Manual signal source selection switch (without MP3 function keys) 26. Background music excitation switch 27. The total dark volume microphone adjust potentiometer 28. Background music dark volume adjustment potentiometer

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