Iiphaneli zodonga ezihombisayo, iphaneli esongelwe ngelaphu, imathiriyeli yepaneli yeacoustic, iphaneli yesandi esivakalayo inesandi esibanzi sokufunxa isandi kunye ne-coefficient yokufunxa ephezulu, kunye nesiphumo esingcono sokufunxa isandi ukuya kumaza aphantsi, aphakathi kunye naphezulu.Ukumelana nobushushu obuphezulu, ukuchasana nokunyibilika komkhenkce, kunye nokwaluphala, ukuxhathisa zezona mpawu ziphambili zomgangatho wephaneli yelaphu le-acoustic.
Inqanaba lokukhusela umlilo lifikelela kwinqanaba lesizwe B, kwaye ukukhuselwa kwendalo yinqanaba le-E1 likazwelonke.Ngokuguquguquka okuhle, ipaneli ye-acoustic yelaphu yenziwe ngezinto ezithambileyo.