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The Questyle MEX dongle DAC debuts at Tokyo's Autumn Headphone Festival 2026 as the first portable USB DAC to use current-mode amplification.
Summary
Four proprietary SiP CMA modules and dual ESS ES9219Q chips deliver up to 384 kHz / 32-bit PCM and DSD256. At $210 USD, its companion app falls under China's National Intelligence Law, Article 7; the hardware PURE mode switch lets users bypass the app entirely.
This is a brief wire summary, the full story (linked below) has the complete details.
KazaSec's take
Stories like this are part of why proactive security testing exists, finding the gap before someone else does is always cheaper than responding after the fact.
Coverage details
We've archived 6 other articles touching the same topic (gadgets) , see the full security news archive.
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