PAM8403 d-klassi helivõimendi moodul 4R/ch 2x3W 5V, 2.5-5V

1. Operating voltage 2.5V…5.0V. Note: Power supply voltage should not exceed 5.5V, the positive and negative terminals should not be reversed.
2. Recommended speaker with 4Ω…8Ω and 3W…8W power.
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.
5. Class D amplifier efficiency is very high, will not affect the sound quality because of temperature rise, and do not need heat sink.