Specification:
Brand: FiiO
Model: K11 R2R
Colors: Black, Silver
Main Control Chip: GD32F303RET6
DAC: Fully differential true 24-bit R2R resistor arrays
Volume Control Chip: NJW1195A
USB Input Decoding: 384kHz/32bit, DSD256
Coaxial Input Decoding: 192kHz/24bit
Optical Input Decoding: 96kHz/24bit
USB Connector: Type-C
Display: Custom LCD screen
Dimensions: 147 x 133 x 32.3 mm (including feet)
Weight: Approx. 420g
Power Supply: DC12V 2A external adapter
SE Power Output:
L+R≥460mW + 460mW (32Ω, THD+N<1%) (High Gain)
L+R≥50mW + 50mW (300Ω, THD+N<1%) (High Gain)
BAL Power Output:
L+R≥1300mW + 1300mW (32Ω, THD+N<1%) (High Gain)
L+R≥220mW + 220mW (300Ω, THD+N<1%) (High Gain)
Frequency Response: 20Hz ~ 50kHz: attenuation <1.3dB
SNR: ≥115dB (A-weighted)
Noise Floor:
PO <7.2uV (A-weighted)
BAL <14.1uV (A-weighted)
Output Impedance:
PO <1Ω (32Ω load)
BAL <1.5Ω (32Ω load)
THD+N: LO <0.02% (1kHz/10kΩ)

Features:
1. Fully differential true 24-bit R2R DAC resistor arrays for high-fidelity audio.
2. 1300mW + 1300mW high output power for an enhanced listening experience.
3. 3 gain levels and 3 volume curves to tailor your audio preferences.
4. Specially-designed audio circuit for superior sound quality.
5. High-quality Beryl solid capacitors to ensure excellent performance.
6. Custom LCD screen for easy control and monitoring.
7. NOS/OS dual modes to cater to different auditory preferences.

Package Includes:
1 x FiiO K11 R2R DAC AMP Headphone Amplifier
1 x Power Adapter
1 x Power Cable
1 x USB Data Cable
1 x Headphone Adapter
1 x Quick Start Guide