NE5532 Karaoke Board Microphone Amplifier Board DC 9-24V AC 8-16V Microfone Preamplifier Reverberation echo audio module diy kit
USD 1.10USD 1.74
NE5532 Karaoke Board Microphone Amplifier Board DC 9-24V AC 8-16V Microfone Preamplifier Reverberation echo audio module diy kit