NS4110B DC 6-14V Differential Amplifier Board 2x18W Digital Class D/Class AB Audio Power Amplifier

Based on 0 reviews. - Write a review

$7.99

Ex Tax: $7.99

Stock: In Stock
Model: EB0051667
SKU: EB0051667

Qty

Add to Cart

Buy Now Ask Question

Add to Wish List Compare this Product

Power: 35W - 65W

Voltage: DC 12V

Precise details>>

Content-Length: 3208 >

Description:

The differential amplifying circuit utilizes the symmetry of the circuit parameters and the negative feedback to effectively stabilize the static operating point, and amplifies the differential mode signal to suppress the common mode signal. It is widely used in the input stage of the direct coupling circuit and the measuring circuit.

Features:

1.Support dual work module;

2.High quality sound quality;

3.Support dual output;

4.Support high temperature protection.

Parameters:

1.Product Name:NS4110B Differential Amplifier Board

2.Working Voltage:DC 6.0V-14.0V

3.Output Power:7W/10W/18W

7W (Class D , 7.4V 4ohm ,THD=10%)

10W (Class D , 9V 4ohm ,THD=10%)

18W (Class D , 12V 4ohm ,THD=10%)

4.Amplifier level:Class D/Class AB

5.Default Mode:Class D

6.Support Speaker Impedance:4ohm

7.Working Temperature range:-20℃~85℃

8.Working Humidity range:0%-95%RH

9.Size:21*21*3mm

Set Working Mode:

The default mode is Class D.

User can use CTRL pin to set work mode.

Remove resistor R6 and R7 to change Class D to Class AB.

CTRL pin is used connect to MUTE pin from Bluetooth module.

Note:

The chip will get heat which will cause the over-temperature protection function to be activated when input voltage is higher than 12V and working in Class AB mode.

Correspondence between work mode and voltage from CTRL pin:

N.O

Voltage from CTRL Pin

Work Mode

0.0~0.5V

Low power mode

0.9V~1.6V

Class AB

2.0V~5.0V

Class D

Using Steps:

1.Make sure work mode;

2.Connect the suitable speakers;

3.Connect right input voltage at input terminal;

4.Input audio signal;

5.Test and use.

Note:

1.Default Class D.

2.The chip will get heat which will cause the over-temperature protection function to be activated when input voltage is higher than 12V and working in Class AB mode.

3.Please use suitable speaker.

4.Please input audio signal.

Application:

1.DIY speaker;

2.Voice intelligent control;

3.Bluetooth signal conversion.

Package included:

1 x NS4110B Differential Amplifier Board

Shipping Time

After you successfully placed an order at RenhotecIC.com, you will receive a confirmation email with your invoice. Once your order is shipped, you will be emailed with the tracking information of your package. Also, you can choose your preferred shipping method during the checkout process. Kindly advise: please select DHL/FedEx if you need our product urgently.

The timeline of the whole shipping process is shown below:

The total delivery time is calculated from the time your order is successfully placed to the time received. Total delivery time is broken down into processing time and shipping time.

Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.

Shipping time: The time for your item(s) to travel from our warehouse to your destination. The shipping time depends on the shipping method you chose. Please refer to the shipping rate section for details.

Shipping Rates

You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:

Shipping Method Shipping Rates Shipping Times
Flat Shipping (Promotion)
$10 About 5-30 Working Days to Worldwide (Only include Monday to Saturday )
Standard Express（0.5KG starting price listed）
Based On Weights About 5-15 Working Days to Worldwide (Only include Monday to Saturday )
Priority Express （0.5KG starting price listed）
Based On Weights About 3-7 Working Days to Worldwide (Only include Monday to Saturday )

In addition, the transit time depends on where you're located, the shipping method you choose, and where your package comes from. We will keep you informed of any problems here to help you get your order as soon as possible.

If you want to know more information, please contact the customer service by contact form or sales@renhotecic.com. We will settle your problem as soon as possible. Enjoy shopping!