2 PCS LandaTianrui LDTR-WG0127 DC 5V D-level Mini Digital Amplifier Board (Green)
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- DIY0105G
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Description
1. Speaker resistance: 4-8ohms, recommended: 4ohms
2. Speaker power: 2-8W
3. Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply, battery power can also be used
4. High efficiency: 90 percent, provide 3W (left channel) + 3W (right channel) output power under 4ohm load and 5V power supply conditions (Class A or class B amplifier efficiency is only about 30 percent)
5. Noise canceling circuit was built in the amplifier board, no pop noise when powering on / off
6. With short-circuit current protection and over-temperature protection
7. Application: LCD TVs, monitors, laptops, portable speakers, portable DVD players, game consoles and phones / speakerphones
8. Note: Must connect speaker first, then power on, or chip may be damaged. Do not input too large audio signal larger. Output port negative of left / right channel can not be in parallel
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2. Speaker power: 2-8W
3. Can use the computer USB port 5V power supply or using a mobile phone charger USB port 5V power supply, battery power can also be used
4. High efficiency: 90 percent, provide 3W (left channel) + 3W (right channel) output power under 4ohm load and 5V power supply conditions (Class A or class B amplifier efficiency is only about 30 percent)
5. Noise canceling circuit was built in the amplifier board, no pop noise when powering on / off
6. With short-circuit current protection and over-temperature protection
7. Application: LCD TVs, monitors, laptops, portable speakers, portable DVD players, game consoles and phones / speakerphones
8. Note: Must connect speaker first, then power on, or chip may be damaged. Do not input too large audio signal larger. Output port negative of left / right channel can not be in parallel