It is a Doom-Trap, Boy Wonder.
4 seconds sound clip from Batman (1966) - A Death Worse Than Fate (S1E10) TV Series.
You can hear this line at 00:18:35 in the Blu-ray version of the movie.
Quote context
[...]
- Shut up.
- Eivol, Eivol, can I help being a woman.
- Now, I turn on the secret speakers hidden in the Doom-Trap.
- Gosh, Batman! What kinda trap is this?
- It is a Doom-Trap, Boy Wonder.
- Welcome to my greatest achievement. The inescapable Doom-Trap.
- You stupid fools! I am a genius.
- Yeah, that's what they all say.
- Pipe down, Robin. We have to humor him.
[...]