fasient 7PCS PAM8403 5V Class D Mini Digital Power Amplifier Board,3W + 3W DDual Channel Audio Stereo AMP, for DVD Player, Game Console, Portable Speaker, etc
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Product description
- High efficiency 90%, 4W load and 5V power supply, 3W (left channel) + 3W (right channel) output power. The efficiency of Class A and Class B power amplifiers is only about 30%, and Class D power is highly regarded under the current green trend.
- It can be powered by the computer's USB port 5V power supply, or by using the mobile phone charger USB port 5V power supply, or you can use the lithium battery power supply.
- Speaker 4-8 ohms, 4 ohms recommended. Speaker power 2-8W.
- Working voltage is 2.5V-5.5V. The power supply voltage should not exceed 5.5V, and the power supply should not be reversed.
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