XH-A128 Bluetooth 5.0 Amplifier Board Digital Power Amp 160W*2+220W TDA7498E*2

Description

Description:
Specifications:
Product name: 2.1CH digital power amplifier board
Product model: XH-A128
Function type: Amplify audio
Chip type: digital chip
Chip model: TDA7498E*2
Power supply voltage: DC12-32∨
Output impedance: 4-89Ω
Number of channels: two channels
Output power: 160W*2+220W
Appearance size: 152*116*23mm
Product weight: 243g
Common problem:
1. 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. 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 possible 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 missing. It is recommended to uninstall and then install the latest version of the driver.
Note:
Please allow minor errors due to manual measurement.
Item color displayed in photos may be showing slightly different since monitors are not calibrated same.
Package Contents:
1pc of Bluetooth Amplifier Board
Payment:
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Shipping:
It usually takes about 10-30 working days to arrive for economy shipping which not including tracking number; 7-15 working days for standard shipping which including tracking number. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.
Note: It may takes more than 30 working days to other countries such as Mexico,Brazil,Chile,Peru, because they is far away from China.
PS: We also offer faster shipping service (3-5 days to deliver), such as DHL,EMS, but buyers need to pay for the extra shipping cost. Please contact us if you need it.
Customs Declaration:
Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
Please check with your country's customs office to determine what these additional costs will be prior to bidding.
Return Policy:
If you are dissatisfied with our item or service, then please follow the good eBay practice to contact us by eBay message before leaving any feedback. We are committed to resolve all issues in a friendly and satisfactory manner.
We always reply to eBay messages within 1-2 business days. If you do not get a response from us, then please check your eBay message.
Only unused, undamaged and original condition item can be qualified for a return.
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