FiiO K11 Desktop DAC and Headphone Amplifier
Variety of Inputs and Outputs
1400mW Large Power Output
3 Gain Levels and 3 Volume Curves
Specially-Designed Audio Circuit and Power Supply
USB DAC Driver-Free Mode
Desktop Decoding Headphone Power Amplifier
The K11 offers a variety of input and output options, including USB, optical, and coaxial inputs, as well as 4.4mm, 6.35mm, RCA, and coaxial outputs. With these diverse connectivity choices, it ensures flexibility for a wide range of audio setups. Whether connecting to a PC, gaming
console, or other audio devices, the K11's multi-input design gives you full compatibility and convenience. Coupled with a 1400mW power output, it can easily drive a wide range of Hi-Fi earphones and headphones, unlocking their full potential.
Exceptional Audio Performance with Custom Circuit Design
Inside the K11, you'll find a specially-designed audio circuit built for stable and high-quality sound. Powered by an external 12V switching power supply and more than 16 low-noise LDOs (Low Dropout Regulators), this setup ensures precise voltage stabilization, resulting in a cleaner and more robust power supply. This ultimately leads to high-quality, enjoyable audio. Additionally, the K11 features three gain levels and three distinct volume curves, making it highly adaptable for headphones with different impedances. This flexibility helps you get the most out of both sensitive earphones and high-impedance headphones, improving the overall listening experience.
Technical Details
Colors: Black
Main Control Chip: GD32F303RET6 (Single-chip Microcomputer)
DAC: CS43198
Supported Audio Formats: 384kHz/32bit PCM, DSD256
USB Connector: Type-C
Display Type: Custom LCD
Dimensions: 147 x 133 x 32.3mm (including feet)
Weight: Approximately 407g
Power Supply: DC12V 2A External Adapter
Power Output:
SE Power Output 1: L+R ≥ 520mW + 520mW (32Ω, THD+N < 1%) (Single-ended / High Gain)
SE Power Output 2: L+R ≥ 60mW + 60mW (300Ω, THD+N < 1%)
BAL Power Output 1: L+R ≥ 1400mW + 1400mW (32Ω, THD+N < 1%) (Balanced / High Gain)
BAL Power Output 2: L+R ≥ 250mW + 250mW (300Ω, THD+N < 1%) (Balanced / High Gain)
Frequency Response: 20Hz ~ 50kHz (Attenuation < 0.2dB)
SNR (Signal-to-Noise Ratio): ≥ 123dB (A-weighted)
Noise Floor: PO < 2.8uV (A-weighted); BAL < 4.9uV (A-weighted)
Output Impedance: PO < 1.2Ω (32Ω load); BAL < 2.4Ω (32Ω load)
THD+N: LO < 0.00035% (1kHz / 10kΩ)
Inside the Box
1x K11
1x Power adapter (including AC cable)
1x USB A to C cable
1x 6.35mm adapter
1x Quick start guide
1x Warranty card
