HT8698 DC 2.5V-5.5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier
US$18.99
HT8698 DC 2.5V-5.5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier

HT8698 DC 2.5V-5.5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier

availability:In stock

Shipping: Free Airmail
Ship From: China Warehouse
Estimated Delivery: Between

US$18.99

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Product Description

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 channel output mode
2.High quality sound quality
3.Built-in amplifier
 
Parameters:
1.Product Name:HT8692 Differential Amplifier Board
2.Working Voltage:DC 2.5V-5.5V
3.Working Current:>2A
4.Output Power:5W
5.Amplifier level:Class D/Class AB
6.Default Mode:Class D
7.Support Speaker Impedance:4ohm
8.Working Temperature range:-20℃~85℃
9.Working Humidity range:0%-95%RH
10.Size:30*24*15mm
 
Set Working Mode:
1.The default mode is Class D.
2.User can use CTRL pin to set work mode.
3.Remove resistor R5 to change Class D to Class AB.
4.CTRL pin is used connect to MUTE pin from Bluetooth module.
5.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.
 
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.
5.Make sure the input current is more than 2A.
 
Application:
1.DIY speaker;
2.Voice intelligent control;
3.Bluetooth signal conversion.
 
Package included:
1 x HT8692 Differential Amplifier Board

More Detailed Photos:

HT8698 DC 2.5V-5.5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier
HT8698 DC 2.5V-5.5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier
HT8698 DC 2.5V-5.5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier
HT8698 DC 2.5V-5.5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier
HT8698 DC 2.5V-5.5V Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier

Additional Information

When you order from Alexnld.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order’s shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Alexnld.com offers 3 different international shipping methods, Airmail, Airmail registered and Expedited Shipping Service, following are delivery times:

Airmail and Airmail Registered Area Time
United States, Canada 10-25 business days
Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
Italy, Brazil, Russia 10-45 business days
Other countries 10-35 business days
Expedited Shipping 7-15 business days to Worldwide

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Returns

You may return this item within 15 days of delivery for a full refund. We’ll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

 

Product not working as expected?

Our Customer Service team are able to resolve most product related issues quickly and efficiently. For the support, please contact our team using the submission form on our Contact page.

 

Returns Eligibility

In order for a return to be eligible for a refund please ensure you return within 15 days from the delivery date of your item.

We kindly ask that you return your item to us in new or lightly used condition with no signs of worn out. If the item is in used condition, please send us the photo to confirm its condition before returning it. We reserve the right to refuse any return if there are any signs of worn out or if parts are missing.

Please be aware, we do cover the cost of the returns fees only if the return is a result of our error (you received an incorrect or defective item, etc.).

All customers should contact us before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

 

Refunds

Following a successful inspection of your return we will process a full refund to the credit / debit card or PayPal account which was used to place the original order. 

You should expect to receive your refund within four weeks of returning your package, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 20 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (3 to 5 business days).

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