Home Theater Audio Stereo Equalizer Amp Amplifier With Shell

Product name: 2.1 High-power digital power amplifier board Product model: XH-A128 Function type: Amplify audio type: digital model: TDA7498E*2 Power supply voltage: DC12-32∨ Output impedance: 4-89 Number of channels: two channels Output power: 160W*2+220W Appearance size: 152*116*23mm Product weight: 243g

Package included:

1pc* bluetooth amplifier

Common problem

When the volume is turned up, the sound will be stuck, intermittently, and it can be played normally when the volume is turned down.

Answer: Reason 1: Due to the low power of the power supply, the total output power of this power amplifier board is 540W.

When choosing, it is recommended to choose a voltage of 32V and a current of about 17A.

Reason 2: If there is no problem with the power supply, it may be that the power of the speaker is too small, for example, the output is 50W, but

Connect a 5W speaker, the loudspeaker will show the phenomenon of freezing, and it may burn the speaker

2. The problem of Bluetooth connection failure.

Answer: The Bluetooth of the mobile phone is turned on, but the Bluetooth of the power amplifier board cannot be found. It is not poible to change the mobile phone to test.

If there is a problem with the module, you can contact customer service.

3 The mobile phone can be connected but the laptop or desktop computer cannot be connected.

Answer: If you can connect to the machine and play music, it is said that there is no problem with the Bluetooth power amplifier board. It may be that there is a problem with the computer's Bluetooth driver, the version is too old or there are files miing. It is recommended to uninstall and then install the latest version of the driver.

About shipping
Shipping and Packaging All items will be double checked and well packed before sending.Items will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very important to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.