An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.
The FIIO KA5 is a portable and powerful headphone amplifier with 3.5mm singled-end and 4.4mm balanced headphone ports, as well as flagship dual DACs and high-res decoding capabilities. It has customizable OLED screen and multifunction key,…