Hiby Loki is a portable headphone amplifier and digital-to-analog converter (DAC) designed for enhancing the listening experience on various devices. It supports high-resolution audio formats and is engineered to provide a clean and powerful output to drive demanding headphones. With its compact size, Loki is suitable for both on-the-go use and stationary setups. Technical specifications often include features like a high-performance DAC chip, multiple audio filters, and customizable gain settings to cater to different headphone impedances. The device typically interfaces via USB or optical input, making it versatile for various sources, including smartphones, computers, and digital audio players. Users appreciate the build quality and the ability to achieve a more dynamic sound profile without compromising portability.