It is normal for high-performance portable DACs to generate heat because they draw significant power (often pulling
Buy a 3.5mm female-to-male adapter and solder a 75Ω, 1% metal film resistor in series with the tip (left) and ring (right) channels. cx31993 datasheet fix hot
The device now runs within the manufacturer’s intended thermal envelope. More importantly, audio quality improves: no more "glare" or "digital harshness" caused by the oscillation and thermal noise. It is normal for high-performance portable DACs to