FiiO K11 desktop DAC and headphone amplifier with USB, optical and coaxial inputs. Compact, powerful and versatile. Read more.
The FiiO K11 is a compact desktop DAC and headphone amplifier designed for demanding listeners who want a reliable and versatile entry-level solution. Within FiiO’s product range, the K11 stands out by offering a broader set of inputs and outputs than many other devices in its class, making it suitable for a wide variety of listening setups. It fits naturally on a desk next to a computer or laptop, but it can also serve as the digital heart of a small hi-fi system with active speakers or an external amplifier. Its understated, minimalist design ensures it blends easily into both home and office environments.
From a technical perspective, the FiiO K11 delivers impressive flexibility. It features USB, optical and coaxial digital inputs, alongside multiple outputs including balanced 4.4 mm, unbalanced 6.35 mm, RCA line-out and a coaxial digital output. This allows users to integrate the K11 into different systems without compromise. With up to 1400 mW of clean output power at 32 ohms via the balanced output, it can comfortably drive a wide range of headphones, from sensitive in-ear models to more demanding full-size designs. The internal audio circuitry is carefully engineered for low noise and stable performance, supported by numerous low-noise LDO regulators and an external 12 V power supply.
In everyday use, the K11 focuses strongly on convenience and versatility. Three separate gain levels, each with its own volume curve, help achieve precise volume control with different headphones and listening preferences. When used as a USB DAC, it operates driver-free on Windows 10 and later, making setup quick and hassle-free. Compatibility with gaming consoles such as the PlayStation 5 and Nintendo Switch further broadens its appeal beyond music listening alone. The solid aluminium chassis, clear VA display and multifunction volume knob make operation intuitive, while the subtle RGB logo lighting and choice of finishes add a touch of personal style. The FiiO K11 is an easy way to build a capable and flexible desktop audio system.
