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Elecbee NS4110B DC 6-14V Differential Amplifier Board 2x18W Digital Class D/Class AB Audio Power Amplifier
SKU: EB0051667
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Key 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 |
1 | 0.0~0.5V | Low power mode |
2 | 0.9V~1.6V | Class AB |
2 | 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.
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Description
1 x NS4110B Differential Amplifier Board
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.
Package includes:
1 x NS4110B Differential Amplifier Board
Shopping Guide
Shipping | Delivery Period | For in-stock parts, orders are estimated to ship out in 3 days. Elecbee ships orders once a day at about 5pm except Sunday. Once shipped, estimated delivery time depends on the below carriers you chose. DHL Express: 3-7 business days DHLeCommerce: 12-22 business days FedEx International Priority: 3-7 business days EMS: 10-15 business days Registered Air Mail: 15-30 business days | |
| Shipping Rates | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Options | Shipping rates for your order can be found in the shopping cart. | ||
| Shipping Tracking | We will notify you by email with tracking number once order is shipped. You can track your order using the “Track My Order” feature. | ||
| Returning/Warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment, please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping | |
| Warranty | All Elecbee purchases come with a 30-day money-back return policy, plus 1-year Elecbee warranty against any manufacturing defects. | ||
| This warranty shall not apply to any item where defects have been caused by improper customer assembly failure by customer to follow instructions, product modification, negligent or improper operation | |||
| Ordering | How to Buy | Elecbee accepts online orders. | |
| Add to cart > Check out > Submit order > Complete payment > Delivery | |||
| Payment | PayPal, Credit Card includes Visa, Master, American Express, Bank transfer. | ||
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In-Stock:9999
Qty.
1
Unit Price
$ 6.79$ 7.99
Ext. Price
$ 6.79$ 7.99
$ 6.79$ 7.99
Can Ship in 1-3 Business Days