Product Details
Compact size
Simple operation
Stable performance
Strong signal acceptance
Wide range of applications
Product parameters:
Stable performance, strong signal acceptance, linear distance of 10 meters or more
Input voltage: 5V
Output power: 4 ohm 3W
Product size: 23*13.5*1mm
Bluetooth, amplifier function two in one, connected to power and speakers can be used, small space, big use, improve production yield.
Common problems:
1:Can't search Bluetooth
Generally due to power interference, the power line must be added to the filter circuit.
2:Bluetooth signal is too weak
Bluetooth module antenna below do not wiring or copper, or antenna around can not have metal shielding.
3:Current sound is too large
Generally for the power supply ground interference caused, it is recommended that the amplifier line is not too long, Bluetooth ground and power ground separate.
Shipping list:
Audio module *1
- EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it's 100% right.
- Payment must be received in 5 business days of auction closing.
- Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
- Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
- All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
- If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
- If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.