True High-Resolution Performance With Premium ESS Sabre DAC Chip FiiO KA1 adopts a premium ES9281AC Pro DAC chip that helps it to decode High-Res PCM and DSD signals with great precision and accuracy. The KA1 supports high-resolution 32-Bit/384kHz PCM and native DSD256 while maintaining low noise and distortion ratings. Full 16x MQA Rendering With the FiiO KA1 you get full 16x MQA (Master Quality Authenticated) MQA signal decoding. The KA1 fully unfolds the Hi-Res MQA streams with full 16x unfolding that allows the listener to enjoy the MQA streams to their full potential. In-Built RGB Indicator FiiO KA1 has an in-built RGB indicator that glows in different colours based on the active bitrate. It conveniently displays the current audio format and sampling rate without the need to even open up the source device. Sleek & Elegant FiiO KA1 is an ultra-compact USB DAC/AMP that has one of the sleekest form factors you would see in a Portable USB DAC/AMP. It packs everything, the USB Interface, Decoding architecture, and the Headphone Amplifier inside a sleek device of just 40x15x8mm. High-Purity Cable FiiO KA1 is available in both the Lightning Connector variants for Apple iOS devices and Type-C Variant for Android and other devices. The device has a non-detachable cable design and features a high-purity silver-plated monocrystalline copper cable for ultimate performance.