audio-sound @ hatena

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.

(News) FiiO KA1 Latest USB DAC/AMP With Premium ES9281AC Pro DAC Chip

FiiO KA1

FiiO KA1


FiiO in collaboration with its sister brand Jade Audio has announced their latest Portable USB DAC/AMP, the FiiO&JadeAudio KA1. The KA1 adopts not only a high-resolution DAC but also a powerful headphone amplifier, promising us an authentic Hi-Res experience in a compact form factor. This is literally one of the most compact USB DAC/AMP available on the market today. FiiO has designed the KA1 with ES9281AC Pro high-performance DAC chip that supports high-res 32-Bit/384kHz PCM and native DSD256 decoding. Simply connect the KA1 with your smartphone or Windows/Mac systems and be ready to explore your favorite with the finest details with the help of KA1. KA1 delivers quality performance with lower crosstalk, high efficiency through low power consumption, and many more features. FiiO KA1 is launched at a pocket-friendly price of just 49.99$. Yes, the high-performance KA1 is priced so attractively at just 49.99$. Check out more details here.



  • High-performance ES9281AC Pro DAC chip.
  • RGB Status Indicator.
  • High-Res 32-Bit/384kHz PCM and Native DSD256 decoding.
  • MQA Rendering.
  • Multiple-devices support.
  • Robust build with a compact form factor.
  • Type-C or Lightning variants.
  • Silver-plated monocrystalline copper cable.
  • Available in two color options, Classic Black & Dark Green.



  • Headphone Output: 3.5mm.
  • Audio Formate Support:
    • 32-Bit/384kHz PCM DoP128
    • Native DSD256
    • 16X MQA rendering
  • Output power: 45mW @ 32Ω.
  • SNR: ≥114dB.
  • Power Consumption: Approx 60mA.


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 colors based on the active bitrate. It’s present at the front of the device informing us of the active bitrate without even opening 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 space 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.


Price & Availability

FiiO & JadeAudio KA1 is officially available starting today priced at just 49.99$. You can place an order for yourself here.


FiiO KA1

FiiO KA1
FiiO & JadeAudio KA1