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| Best Seller  | DC 5V/3.7V USB/Battery Powered AMP Module 6W*2 Dual Channel BT Stereo Audio Amplifier Board DC 5V/3.7V USB/Battery Powered AMP Module 6W*2 Dual Channel BT Stereo Audio Amplifier Board Feature: Support for USB 5V or lithium battery 3.7V power supply more convenient to use. Suitable for speakers with an impedance of 6 ohms or 8 ohms. The... more | go to store |
 | 20PCS PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Board Features: Can use the computer USB port USB power bank or a mobile phone charger to supply the 5V support power Battery power can also be used High efficiency: 90% Can provide 3W (left channel) + 3W (right channel) output power into a 4Ω speak load... more | FREE shipping go to store |
| Best Seller  | 20PCS PAM8403 Mini 2 Channel Stereo 3W Class D Audio Power Amplifier Module Board USA Features: Can use the computer USB port USB power bank or a mobile phone charger to supply the 5V support power Battery power can also be used High efficiency: 90% Can provide 3W (left channel) + 3W (right channel) output power into a 4Ω speak load... more | FREE shipping go to store |
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