Kev lag luam xov xwm

Hauv txhua qhov kev siv zog ua kom zoo tshaj plaws kom muaj lub suab nrov nrov ntawm cov khoom siv tau hais lus, hais lus yuav tsum saib xyuas kom tsi

Dab tsi yog cov khoom hauv hauv qhov nrov nrov?

Engineering (kev tshaj lij) cov lus qhia tshwj xeeb

Lub tsheb kaw lub zog thiab hais lus zaus ntais ntawv

Loudspeaker tseem hu ua "horn". Yog cov khoom siv hluav taws xob hloov pauv ntau, hauv suab ntawm cov khoom siv hluav taws xob thiab hluav taws xob

Lub chaw rau tus neeg hais lus nrog-ua

Cov neeg hais lus zoo li cas ua haujlwm

Tso chaw ntawm lub npov satellite

Txoj kev uas lub subwoofer tso

Lub tsev tso cua sov hauv tsev yog dab tsi?

Yuav ua li cas txhim kho tus neeg hais lus thiab ua kom nrov dua

Yuav ua li cas txhawm rau txhim kho lub suab zoo