音响

音响	yīn xiǎng	sound; acoustics; audio / hi-fi system; stereo sound system (abbr. for 组合音响)
音	yīn	sound / noise / note (of musical scale) / tone / news / syllable / reading (phonetic value of a character)
响	xiǎng	echo / sound / noise / to make a sound / to sound / to ring / loud / classifier for noises