KT-8900 mod to install BT-89 Bluethooth Mic

KT-8900 mod to install BT-89 Bluethooth Mic

Because the old models are not ready to output voltage, to the use of Bluetooth microphone so we will change this resistor to 10ohm, so as to obtain 8v voltage.

How to modifty:

1) Remove the front pannel .

KT-8900 mod to install BT-89 Bluethooth Mic

2) Change the resistor to 10 ohm

A . you have SMD 0401 10 Ohm change it.
B. If not have SMD , you can add 1/4W 10 Ohm , same result .

QYT BT-89 wireless bluetooth speaker microphone for QYT KT-7900D KT-8900D

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