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Home > Function Module > Digital Amplifier Module > Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V

Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V

GY16681
5 9
$7.99 $5.59
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1.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.
 
2.Features:
    1>.Support dual channel output mode
    2>.High quality sound quality
    3>.Built-in amplifier
 
3.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
 
4.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.
 
5.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.
 
6.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.
 
7. Application:
    1>.DIY speaker;
    2>.Voice intelligent control;
    3>.Bluetooth signal conversion.
 
8.Package:
    1pc HT8692 Differential Amplifier Board
 

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(1) Due to the high risk of package lost recently, we have to stop using the free shipping way these days. Hope for your kind understanding! And the $5 is for tracking number and delivery insurance ^0^ Enjoy order from us. 

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(2) Shipping time 
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7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

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Total price of the order >= 200USD or Total weight of the order >= 2.2KG

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(2) Shipping Time & Delivery Time

Shipping time: 1-3 days
Delivery time: 5-10 working days (about 1-2 weeks) to most of countries. 

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3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
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4) Track the order which with tracking number via below links:

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Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V
$5.59
$7.99
31