The FiiO E12 is a portable headphone amplifier designed to enhance audio quality for various headphones. It offers a high power output of 800mW, providing robust amplification for a wide range of headphones, including high-impedance models. Many users have praised its clear sound and substantial battery life, typically lasting around 4 hours of continuous playback without overheating or losing signal quality. The amplifier is equipped with features such as a crossfade function, a 16dB volume boost, and a bass boost option. The E12's build consists of a sturdy chassis, which gives it a solid feel, and the controls include a volume knob, gain switch, and an input/output port for flexibility. Users have reported significant improvements in sound quality, emphasizing the clarity of bass and treble frequencies. The E12 is particularly appreciated for its ability to clean up audio from mobile devices, making it a suitable companion for on-the-go listening. While it is heavier for mobile use, it can still be practical for sitting and listening sessions or gaming. Overall, the FiiO E12 is recognized for its excellent performance and user satisfaction, especially among users of higher-end headphones.
