20W*2 Digital Audio Bluetooth 5.0 Stereo Amplifier with Case DC12-24V Dual Channel

Description:

Product type:Stereo Amplifier

Fault Check:
1. Check the power supply if the LED is not bright.
2. If the LED is on, but Bluetooth device "XY-P15W"is not searched, check if the router is in the near, and keep away from the router.
3. The speaker tapped when power on.
1) Check that the speaker load is so small that the current through the speaker is enough for chip goes into DC protection. Try to lower the supply and restart.
2) Check that if the power supply is low that cannot drive the speaker. 2A power supply current is ok.
4. Floor noise in speaker when playing:
1) Play another music to verify the noise is not related with music itself.
2) Replace the speaker to check If the noise is caused by speaker itself.
3) Replace the power supply to check If the noise is caused by unstable power.
5. It plays intermittently:
1) Check if the temperature of the board is high, and it goes into thermal protection.
2) Check if the Bluetooth is unstable, adjust the angle between the connected device; And Check if a WIFI source is in the near.

Packing list:

Stereo Amplifier*1 set

NOTE:
2 meters away from router to avoid WIFI interference.
2. 8~24VDC is recommended; upper than 26V, it will be damaged.
ng 4 load, power supply must be under 12V; and driving 8 load, supply must be under 24V.
supply current must be 2A at least.
5. If the module works upper 20W x 2, a cooling fin will be needed.
line connecting speaker with module should be within one meter.
protection, please release ESD on your hands before you contact the module.
8. 30W and upper power speakers is recommended.

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