Desktop DAC Fiio K11 R2R True 24bit R2R and Headphone Amplifier
FEATURES
◉ Desktop DAC and Headphone Amplifier
◉ Fully differential true 24Bit R2R DAC Resistor Arrays
◉ NOS/OS dual modes
◉ High quality electronic volume control NJW1195A
◉ 1300mW+1300mW high output power
◉ 3 gain levels, 3 volume curves
◉ Specially-designed audio circuit
◉ Specially-designed power supply
◉ High-quality Beryl solid capacitors
◉ Custom LCD screen
◉ RGB logo lighting
BASIC SPECIFICATIONS
•Colors: Black, Silver
•Main control chip (single-chip microcomputer): GD32F303RET6
•DAC: Fully differential true 24bit 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 * 133 * 32.3mm including feet)
•Weight: About 420g
•Power supply: DC12V 2A external adapter
•SE power output 1: L + R >= 460mW + 460mW (32Ω, THD+N <1%) (320/single-ended/high gain)
•SE power output 2: L R >= 50mW + 50mW (300Ω, THD+N <1%) (300Ω/Single-ended/High gain)
•BAL power output 1: \ + R >= 1300mw + 1300mw (32Ω, THD+N <1%) (32Ω/Balanced/High gain)
•BAL power output 2: L + R >= 220mW + 220mW (300Ω, THD+N <1%) (300Ω/Balanced/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 < 1.50 (32Ω load) THD+N: LO <0.02% (1kHz/10kΩ)