The malware can steal data and social-network conversations, take snapshots of computer screens, penetrate across networks, turn on a computer's microphone to record audio and scan for Bluetooth-active devices.

WSJ: Cyberattack Hits Iranian PCs

The active speakers harness an array of high-end components to deliver expansive audio performance from very compact constructions.

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"U.S. retail sales for active noise cancelation headphones have doubled in the last three years, but audio performance has always been compromised in the pursuit of ANC technology, " said Minarik.

ENGADGET: Polk enters the headphone game with sporty, generic ear-speakers