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Review FiiO K11 - Black - Outlet Store

FiiO K11 - Black - Outlet Store

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FIIO K11 Desktop Decoding Headphone Amplifier (English)

Product Description: The FIIO K11 is a powerful desktop headphone amplifier and DAC (Digital-to-Analog Converter), perfect for audiophiles seeking superior sound quality in a compact and stylish design. This device is ideal for enhancing your music experience at home or in the office.

Key Features:

  • Versatile Connectivity: With USB, optical, and coaxial inputs and 4.4mm, 6.35mm, RCA, and coaxial outputs, the K11 offers great flexibility in connection options.
  • Powerful Output: With a large power output of 1400mW, the K11 easily drives earphones and headphones.
  • Specially Designed Audio Circuit and Power Supply: Ensure a pure and robust power supply, resulting in stable, high-quality audio.
  • Compact and Stylish Design: The K11 features a slim aluminum alloy body and a custom LCD screen for clear display of important information.
  • Adjustable RGB Logo Lighting: Brightness, color, and light patterns are all adjustable.
  • Multi-function Knob: Provides full control over various functions.
  • USB DAC Driver-Free Mode: Compatible with Windows 10 and above, PS5, and Nintendo Switch.

Technical Specifications:

  • Chip: GD32F303RET6
  • DAC: CS43198
  • Supported Audio Formats: 384kHz/32bit PCM, DSD256
  • Dimensions: 147x133x32.3mm
  • Weight: About 407g
  • Power Supply: DC12V 2A external adapter
  • Frequency Response: 20Hz~50kHz
  • SNR: ≥123dB (A-weighted)
  • THD+N: LO<0.00035% (1kHz/10kΩ).


The FIIO K11 is an excellent choice for users looking for a high-quality headphone amplifier with versatile connectivity options and an elegant design. It offers not only powerful performance but also an aesthetically pleasing and user-friendly design. Ideal for an enriching listening experience at home or in the office.