KTV anti-noise processing board feedback frequency shift anti-self-excitation control module karaoke microphone flyer suppressor
![KTV anti-noise processing board feedback frequency shift anti-self-excitation control module karaoke microphone flyer suppressor](http://ae04.alicdn.com/kf/He5530b9ca81c42dcb3da709d284a204bB.jpg)
sku: 4001074791468
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$18.54
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