15pcs PAM8403 Digital Amplifier Board - 2X3W Audio Module with DC 5V Power - High Quality D-Type Audio Amplifier Card for DIY Speakers, Home Theater & Car Audio Systems
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Estimated Delivery:7-15 days international
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SKU:32873561
Product Description
Osmond Features: Operating voltage: 2.5V-5.5V DC (should not exceed 5.5V, pay attention to the polarity) Suitable speaker: 4-8ohm (4ohm is recommended); from speaker 2-8W Colour: green. Material: PCB. Package contents: 15 x amplifiers. Only the above package, other products are not included. Note: light reflection and different screens may cause the colour of the item to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.
Product Features
The D type amplifier has very high amplification efficiency, the sound quality not be affected by the temperature increase, no need heat sink.
High efficiency 90%, can provide 3W (left channel) + 3W (right channel) when using 4 ohm load and 5V power supply.
Mini type PAM8403 2.2 x 1.8 cm/0.9 x 0.7 inches, can be easily placed in a space of many digital products, high amplification efficiency
It can be powered by 5V USB computer, 5V charger or lithium battery.
Built-in noise reduction circuit, no noise when power on/off, supports short circuit, over-current and overheat protection.
