Teste de frequências de 20HZ~20KHZ no Home Theater Xboom LG LHD687 4.2 Canais, Duplo Sub Woofers.

https://www.nhsom.com.br/kit-ativo-line-16x-2-5-sub-15-4-caixas-p-a-compacto-vl2-0k.html?acc=1679091c5a880faf6fb5e6087eb1b2dc
https://www.facebook.com/arlindodavi.marzaribettker/
https://www.youtube.com/watch?v=6KximL3nVmk&t=63s&ab_channel=Davidetroit%C3%81udioSystem
https://www.nhsom.com.br/kit-ativo-line-vertical-32x2-5-ti-sub-18-vl-6000w-4-caixas-top.html?acc=1679091c5a880faf6fb5e6087eb1b2dc