FiiO K11 - General Specifications |
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| Name/Model | K11 | Hardware solution |
SoC: GD32F303RE, DAC:CS43198 USB decoding: SA9312L SPDIF decoding: MS8422N AMP: SGM8262-2*2 |
| color | Black/Silver | Volume control | Volume knob |
| Weight | About 407g | Dimensions | 147x133x32.3mm (Including feet) |
| Gain | L/M/H | Adaptive impedance | PO: 8~150Ω |
| Driver-free mode (switch mode) | Supported | BAL: 8~350Ω | |
| Max supported sampling rate | 384kHz-32bit/DSD256 Native 16/24/32bit (USB DAC) | Sampling rate indication | Show on display screen |
| 192kHz-24bit (Coaxial) | LOGO indicator light shows as default: Cyan: 48KHz and below/Yellow: 48kHz and above/Green: DSD | ||
| 96KHz-24bit (Optical) | Firmware upgrade | Supports upgrade through USB | |
| FiiO Control | N/A | ||
| Buttons and Ports | |||
| Knob |
Encoder knob (including volume adjusting and menu confirming) |
USB | Type-C (data transmission) |
| Single-ended line-out | RCA port | Digital optical in | Optical port |
| Digital coaxial in | RCA port | Digital coaxial out | RCA port (only works in USB mode) |
| balanced output interface | standard 4.4mm socket | Headphone out | Standard 6.35mm port |
| Power Supply Parameters | |||
| Power Supply | DC 12V/2A | Battery capacity | No battery |
| Audio Parameters | |||
| Parts of performance and parameters of Line-out output (RCA) | |||
| THD+N & Noise | ＜0.00035% (1kHz/-0.3dB@10KΩ) | SNR | ≥126dB (A-weighted) |
| Crosstalk | ≥120dB | Noise floor | ＜0.9uV (A-weighted) |
| Frequency response | 20Hz~50kHz: damping＜0.1dB | Line output level | 1.95Vrms |
| 20Hz~20KHz: damping＜0.1dB | |||
| Parts of performance and parameters of headphone output (6.35mm) | |||
| Output power | L+R≥720mW +720mW (16Ω, THD+N＜1%) | Output impedance | ＜1.2Ω |
| L+R≥520mW +520mW (32Ω, THD+N＜1%) | Crosstalk | ≥71dB | |
| L+R≥60mW+60mW (300Ω, THD+N＜1%) | Peak output voltage | 12Vp-p | |
| SNR | ≥123dB (A-weighted) | THD+N & Noise | ＜0.00059% (1kHz/-8.1dB@32Ω) |
| Frequency response | 20Hz~50kHz: damping＜0.2dB | Noise floor | ＜2.8uV (A-weighted) |
| 20Hz~20KHz: damping＜0.1dB | |||
| Parts of performance and parameters of headphone output (4.4mm) | |||
| Output power | L+R≥570mW+570mW (16Ω, THD+N＜1%) | Output impedance | ＜2.4Ω |
| L+R≥1400mW+1400mW (32Ω, THD+N＜1%) | Crosstalk | ≥106dB | |
| L+R≥250mW+250mW (300Ω, THD+N＜1%) | Peak output voltage | 24.5Vp-p | |
| SNR | ≥123dB (A-weighted) | THD+N & Noise | ＜0.0010% (1kHz/-14.5dB@32Ω) |
| Frequency response | 20Hz~50kHz: damping＜0.2dB | Noise floor | ＜4.9uV (A-weighted) |
| 20Hz~20KHz: damping＜0.1dB | |||
FiiO K11 - Data Sheet
