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2.5-5V Miniture Mini Digital Audio Amplifier Board 2x3W PAM8403 Cl D Speaker Module USB Power Supply 2.5 To 5V
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Product details
Products:
PAM8403 mini D digital amplifier board
1. Operating voltage: 2.5V-5.5V. Note: The power supply voltage should not exceed 5.5V, the positive and negative power supply should not be reversed. 2. Speaker with: 4-8 Europe, Recommended: 4 Europe; Speaker power: 2-8W. 3. You can use the computer USB port 5V power supply, or use mobile phone charger USB port 5V power supply, you can also use lithium battery power. 4. High efficiency 90%, 4Ω load and 5V power supply conditions, can provide 3W (left channel) +3 W (right channel) output power. Cla A, Cla B and other power amplifier efficiency is only about 30%, Cla D power amplifier in today's green trend under the highly respected. 5. Cla D amplifier efficiency is very high, will not affect the sound quality because of temperature rise, and do not add heat sink, the volume is very small. application: LCD TV, monitor laptop Portable speakers Portable DVD players, game consoles Phone / speakerphone Precautions for use: First connected to the speaker and then turn on the power, or easy to damage the ch; Since the digital volume control in the module has a large gain, do not allow the audio signal input to be too large for the signal to produce a cut limit.
Wiring diagram:
About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer).
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If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.
Specifications
Key Features
- Origin:Mainland China
- Condition:New
- Type:Other
- Supply Voltage:5v
- Operating Temperature:100
What’s in the box
Specifications
- SKU: GE779IP0MZVIVNAFAMZ
- Model: BONjicehngdianlu462
- Production Country: China
- Size (L x W x H cm): 10x8x6
- Weight (kg): 0.2
- Color: 5pcs
- Main Material: PVC
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