Usage Steps:

1. Choose the right speakers and connect as shown in wiring diagram. 2. Connect to right power supply from input terminal.LED indicator will flashing and it means that module enters pairing mode.And then speak prompt voice and it means that module is waiting for pairing. 3. Turn ON Bluetooth in phone. 4. Select Bluetooth device ‘XinYi’ in your Bluetooth device listing. 5. LED indicator will keep ON and it means that module is successfully connected and is waiting for playing. 6. Module will playing music after select music in phone.LED indicator will keep slowly blinking. 7. Increase or Decrease volume by adjust potentiometer. 8. Press potentiometer to play or pause music. 9. Open APP Sinilink and register an account if need control by APP. 10. Click the dot on the right. 11. Select ‘Con Blu Dev’ and then Search Bluetooth. 12. Select devices ‘Sinilink-APP’ to connect module. 13. User can adjust volume,select next or previous,play/pause and select EQ. 14. Module will speak prompt voice if disconnected.

Application:

1. Modified speaker 2. Amplifier equipment 3. Car Bluetooth device

Note:

1. The power amplifier board should be as far away as possible from the WIFI signal (router) avoid signal interference. 2. Recommended power supply voltage DC 8~24V.Module will be damaged if input voltage is more than 24V. 3. Please don’t use too long wires to avoid signal interference. 4. The format of U-disk must be FAT32 and the maximum memory is 32G. 5. It can only select one audio output mode between active output and passive audio output. 6. It is recommended to use a power supply which more than 2A. 7. Bluetooth does not support automatic connection, so you need to manually connect to Bluetooth every time. 8. Please read use manual and description before use.

Frequently Asked Questions:

1. Why is the volume working normally when volume small, and there is turbidity after increase volume? Q: Sound distortion.Please change the adapter power supply with higher voltage level. 2.Why is the volume working normally when volume small, and there is pause after increase volume? Q: The input power is insufficient.Please change the adapter power supply with higher voltage level. Power supply itself intermittent power-off protection.Please change a match power adapter. The power of the power supply is too large so please reduce the power of the input power. The power amplifier board is seriously heated resulting in trigger overheat protection.So please increase the radiator. 3.How to choose audio input mode? Q: The default audio input comes from Bluetooth. AUX and USB has a higher priority than Bluetooth. The one which is connected first has the higher priority between AUX and USB audio input signal. USB Sound Card Audio need switch by APP.

Package:

1pc * XY-KA15H 20W*2 Bluetooth Amplifier Module