2022 new Hot Sale BT radio fm micro SD card AUX remote amplifier audio board made in China
- Category: >>>
- Supplier: Shenzhen Jinlonghui Technology Co. Ltd.
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Product Overview
Description
Product Description
Instructions.
Integrated MCU solution: AC6926A
AMPLIFIER CHIP:4963
Support function introduction: MP3/USB/MICRO SD card/BT/amplifier double 3W or 5w speakers/speak by microphone when calling/black platic of interface/power supply 3.7V by battery/turn ON/OFF/ "micro USB DC 5V" by charge for battery
Key definition: pre a song/volume decreases, play/pause and the next song/volume increase, MODE conversion switch (USB/micro SD/AUX/BT)
About structure: the plastic size: 107* 25 mm, panel two head with screw positioning hole, black surface shell;
Line connection tip:
ANT: radio line welding, connecting rod antenna.
3.7V + : power supply voltage and positive pole
GND ：negative electrode ground
SP+: audio output pins for speaker+
SP-：audio output pins for speaker+
SP+: audio output pins for speaker+
SP-：audio output pins for speaker+
Detailed Images
Packing & Delivery
Packing for a carton:
Volume/carton :41*41*31cm
Weight/carton :6KG
Quantities/carton :200pcs
Delivery:
We will make the products the time is 15days-18days after receiving your money.(including weekdays)
Our Company
Certifications
Our Service
We wish you are fully satisfied with each item that you purchase from JLH One year Warranty
1、One year Manufactruer’s Warranty for defective items(excluding items damaged or misused after receipt)
2、Defective items must be reported and returned to us within the warranty period(and in the original packaging, if possible).You must tell us what the defcet is and prove,we do not rpaite or replace items
3、With an expired warranty. However,the expenses in the process of repair shall be paid by the buyers.
For all youe inquiries,please contact us immediately,we will reply you as soon as possible
FAQ
• Is your parts new and original ?
Answer : Yes !Our parts could accept any kinds of testing , if there is any quality problems we will take responsible .
• Quality problems
Answer : If there is any quality problems or questions , we could offer technical support or return service .
• What is your lead time ?
Answer :There are no lead times for in-stock products. Most of the parts could be shipped out within 3 days after payment have been confirmed.
• May I have a sample for testing ?
Answer :Yes ! Only to pay shipping cost ,free samples could be sent for testing .
•open the power supply decoding board shows that”HI”
Answer:Connect the power cord will connect the audio line at the same time,did not answer the audio line will show”HI”in decoding board
•use some customers connected to their audio power amplifier will have noise
1):using the multimeter,check whether the ground of the power amplifier on a board under the connected(audio ground wire and ground wire of power supply),then com pare the decoding ground wire is connected on the board(audio ground wire and power supply ground wire)must be broken,if the ground wire of power amplifier board is broken,so the decoding board(audio ground wire and power supply ground wire)must be connected.
2):the connection between offensive and defensive board and decoding board line if it is too long can also cause murmur voice,use a shorter wire connecting the two board is ok.
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