HSK 7-9
喇叭
lǎba名
horn (automobile etc); loudspeaker; brass wind instrument; trumpet
汽车喇叭声吵醒了孩子。
Qìchē lǎba shēng chǎoxǐng le háizi.
The car horn woke the child.
Say it
Hold the button, say it, then let go.
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.