If you own an CX31993-based adapter (commonly sold by brands like Avani, Abigail, or JCALLY), you may have touched the body after 20 minutes of use and felt a concerning, near-painful heat. Is this normal? Will it damage your phone or laptop?
You use high-impedance headphones (80-300 Ohm) or listen at low volumes. cx31993 datasheet fix hot
However, a widespread issue has plagued users across Reddit, Head-Fi, and GitHub forums: If you own an CX31993-based adapter (commonly sold
The answer lies in the . The CX31993 contains an integrated headphone amplifier . The datasheet specifies that the chip can drive loads down to 16 Ohms. When you plug in high-sensitivity IEMs (like the Moondrop Chu or 7Hz Zero), the amp section works fine. You use high-impedance headphones (80-300 Ohm) or listen
The CX31993 has become a darling in the mobile audiophile world. For less than $10, this tiny USB-C DAC chip delivers surprisingly high-fidelity audio—supporting PCM up to 384kHz and DSD256. It rivals dongles costing five times as much.
So, why is your dongle hitting 45°C (113°F)?