The FiiO K11 R2R is a high-performance desktop DAC/amplifier that brings advanced R2R technology to your home audio setup. With its fully differential 24-bit R2R resistor array, dual operating modes, powerful amplifier section, and versatile connectivity, the K11 R2R delivers an exceptional listening experience for discerning audiophiles.

Advanced R2R Technology for Superior Sound

FiiO's newly developed fully differential 24-bit R2R resistor array lies at the heart of the K11 R2R, utilizing 192 high-precision resistors with 0.1% accuracy to ensure exceptional clarity, detail, and a natural sound signature. Experience a truly immersive listening experience with a wide soundstage and nuanced musicality.

Dual Operating Modes for Versatile Sound

The K11 R2R offers two distinct operating modes: NOS (non-oversampling) and OS (oversampling). Freely switch between these modes to tailor your listening experience. NOS mode provides a more musical and analog-like presentation, while OS mode prioritizes detail and clarity.

Powerful Amplification for Demanding Headphones

The K11 R2R boasts a professionally designed amplifier circuit capable of delivering up to 1300mW + 1300mW of power, effortlessly driving even the most demanding headphones. With three-stage adjustable gain, you can fine-tune the output to perfectly match your headphones' sensitivity and achieve optimal performance.

Versatile Connectivity for a Seamless Setup

The K11 R2R offers a wide range of input and output options, including USB Type-C, coaxial, and optical inputs, as well as 6.35mm and 4.4mm headphone outputs, RCA line out, and a coaxial output. Connect your various audio sources and headphones with ease, creating a versatile and high-quality desktop audio system.

High-Resolution Audio Support

Experience the full potential of your high-resolution audio files with the K11 R2R. It supports PCM decoding up to 32-bit/384kHz and native DSD256, ensuring you can enjoy your music with exceptional detail and fidelity.