eBay

Feature:

1. This board should be powered by battery (two or more dry batteries or a single lithium battery ). Secondly, it uses linear power supply. If you need to use switching power supply, please add a filter circuit to ensure that the power supply ripple is small, and the larger ripple makes more powerful noise.
2. Such board is equipped with a precision high-quality op amp core, which can adjust the amplification gain, and the noise is very small, also the sound is clear and bright!
3. Output of the board can be directly connected to the input of the , or the input of the computer to realize voice chat or voice amplification.
4. The board will amplify the signal input from the input port or directly amplify the pickup signal of the onboard microphone.
5. Capacitive microphone (column microphone pickup) signal amplification can be realized.

Specification:

Item Type: module
Power: DC 2.6-10V
Input: The board is equipped with a capacitive microphone. (sensitivity 58D)
Output: 3.5 block and 3Pin sync output ports L and G (G is ground)

Board Size: Length: Approx. 45mm / 17.7 in, width: Approx. 25mm / 9.8 in

Package List:

1 x Module

1 x Flat Cable

1 x 6 Pin Header

1 x Fixed Button

Note:

When the board is shipped, it will be equipped with a plug wire for the power connector (about 15 cm / 5.9 in)

1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails.

2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area
3. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy.

We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.

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On 19/03/2024 at 05:17:43 AEDT, seller added the following information: