The Fiio K11 is a portable headphone amplifier and DAC designed to enhance audio quality for headphones and other audio devices. It boosts audio performance, providing better output power and clearer sound.

Main Features: 

• High-Quality DAC: Includes a high-performance DAC that allows high-resolution audio playback.
• Multiple Inputs: Options for USB, optical, and coaxial inputs, making it versatile for various setups.
• Amplification: Designed to power a wide range of headphones, providing sufficient power for high-impedance headphones.
• Portability: Compact design for easy transport, suitable for both home and portable use.
• Build Quality: Durable construction, with a metal casing that adds durability.