LM358 Weak Signal Acquisition Amplifier Module Multiple Adjustable Analog Output

LM386 Electret Microphone Amplifier Board Module DC 4-12V

4Ω 8Ω 3w 5w 10w 25w Magnetic Speaker Module Full Frequency Multimedia Speaker

DC12-24V Bluetooth TPA3118D2 Class-D Audio Power Amplifier Board Module XH-A415

LM358 DC Amplifier Module Weak Signal Acquisition Multiple Adjust Analog Output

DC7-20V 2*40W Bluetooth Digital Audio Player MP3 Decoder / Power Amplifier Board

2A/4A/10A/20A DC 50V Power Filter EMI Module Audio High Frequency Filter Board