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The FiiO KA1 is an ultra-compact portable DAC and amplifier designed to significantly improve the audio quality of smartphones, tablets, and computers. It integrates the ES9281AC PRO digital-to-analog converter, an audiophile-grade solution capable of delivering precise, dynamic, and detailed sound while minimizing noise and distortion. With full support for a wide variety of devices, the KA1 adapts seamlessly to different ecosystems, offering a simple and immediate plug-and-play experience.

The FiiO KA1 DAC supports lossless audio playback up to 32-bit/384kHz and DSD256, ensuring maximum fidelity with high-resolution files. It is also compatible with MQA technology, enabling the rendering of Master Quality Authenticated content for superior streaming. The built-in RGB status indicator provides immediate visual feedback on the audio format being played, making listening control intuitive and straightforward. Thanks to its compact size and high performance, the FiiO KA1 is an ideal solution for those seeking a high-quality, uncompromising portable USB DAC.

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Compact in size, powerful in performance

Don't let its size fool you: at just 40 x 15 x 8 mm, the KA1 integrates a high-quality DAC and a premium amplifier, optimized by FiiO engineers to ensure faithful and detailed music reproduction. The KA1 stands out among portable DAC/amplifiers for its sonic precision and superior audio quality.

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Robust components for high performance

The KA1 uses the ESS ES9281AC PRO chip, which combines the USB interface, DAC, and amplifier in a single module. Thanks to the multi-layer HDI circuit board with gold-plated contacts, the result is reduced crosstalk, greater power efficiency, and pure, crystal-clear audio quality.

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Professional-grade audio decoding

Supports PCM up to 32-bit/384kHz and DSD256, allowing you to capture every detail of the music.

• DoP mode: up to DSD128

• Native mode: up to DSD256

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Full MQA support

The KA1 is MQA certified, ensuring full rendering of MQA files. Thanks to MQA Renderer technology, it can complete the final unfolding of an MQA signal (from TIDAL, FiiO Music App, or other MQA-compatible services/players) for an audio experience that is faithful to the original.

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Elegant RGB indicator

The RGB indicator isn't just aesthetically pleasing: it shows the format and sampling rate in use.

Blue: Up to 48kHz

Yellow: Above 48kHz

Green: DSD tracks

Magenta: MQA rendering

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Maximum cross-platform compatibility

Compatible with Android, iOS, Windows, and Mac. It supports smartphones, portable players, tablets, and computers, making it ideal for portable use, in the office, at home, on the go, or for gaming.