ガーガー
gāgā

To-Adverb

1. quacking; cackling; gaggling; croaking; squawking

Onomatopoeia
おかしいな、スピーカーがガーガーいってるよ。
okashiina supiikāga gāgā itteruyo.
That's funny. The speaker is crackling.
To-Adverb

2. loudly (snore, complain, argue, etc.); noisily

Onomatopoeia
To-Adverb

3. with a buzzing sound (e.g. speaker); with a crackling sound

Onomatopoeia
Other forms: