Soundproof Headphones
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Real Identity: Not Applicable
Appearances (Graphic Novels): Hits and Myths
Powers/Skills: Noise Cancellation
Voiced By: Not Applicable
The Soundproof Headphones are an invention of Batgirl that can cancel outside noise, even ultrasonic frequencies. Batgirl threw her pair to Supergirl in order to neutralize Black Canary's powers during a skirmish in Smallville follwoing the theft of the Batjet. Supergirl got in close enough and took away the wooden board from Canary.