Key Features
- CS43198 DAC ensures high-quality audio
- Three gain levels give you precise control over the volume
- Specially designed audio circuit enables a stable power supply
- Two SGM8622 amplifiers offer a 1400mW power output at 32 ohms
- Multiple inputs/outputs allow for diverse connectivity
FiiO K11 Compact Desktop DAC and Headphone Amp, Silver Overview
The FiiO K11 Compact Desktop DAC and Headphone Amp utilises a built-in CS43198 DAC chip and two SGM8622 amplifiers to deliver a balanced power output of 1400mW. This is sure to take the performance of your headphones and IEMs to the next level. The three separate gain levels, each designed to match the sensitivity of your headphones, permit you to fine-tune your listening experience to your personal preference. The specially designed audio circuit also features multiple low-noise LDOs, providing a pure power supply that further elevates the audio quality.
Featuring USB, optical, and coaxial inputs, along with versatile 4.4mm, 6.35mm, and RCA outputs, the K11 ensures easy compatibility with a wide range of audio devices. Its slim, minimalist design, along with an RGB lightning indicator, adds style to its functionality, making it a standout addition to any setup.
Product Ref: 294764
Full Description
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What's in the Box?
- FiiO K11 Compact Desktop DAC and Headphone Amp
- Power Adapter (including AC cable)
- USB A to C cable
- 6.35mm adapter
- Quick start guide
- Warranty card
Specifications
General
| Name/Model | K11 |
|---|---|
| Colour | Black/Silver |
| Weight | About 407g |
| Gain | L/M/H |
| Driver-free mode (switch mode) | Supported |
| Max supported sampling rate | 384kHz-32bit/DSD256 (Native 16/24/32bit USB DAC)192kHz-24bit (Coaxial)96kHz-24bit (Optical) |
| FiiO Control | N/A |
| Hardware solution | SoC: GD32F303REDAC: CS43198USB decoding: SA9312LSPDIF decoding: MS8422NAMP: 2 x SGM8622-2 |
| Volume control | Volume knob |
| Dimensions | 147x133x32.3mm (Including feet) |
| Adaptive impedance | PO: 8 150ΩBAL: 8 350Ω |
| Sampling rate indication | Show on the display screen |
| LOGO indicator light shows as default | Cyan: 48kHz and belowYellow: 48kHz and aboveGreen: DSD |
| Firmware upgrade | Supports upgrade through USB |
| Power Supply | DC 12V/2A |
| Product Code | FIIOK11-SILVER |
Buttons and Ports
| Knob | Encoder knob (including volume adjusting and menu confirming) |
|---|---|
| Single-ended line-out | RCA port |
| Digital coaxial in | RCA port |
| Balanced output interface | standard 4.4mm socket |
| USB | Type-C (data transmission) |
| Digital optical in | Optical port |
| Digital coaxial out | RCA port (only works in USB mode) |
| Headphone out | Standard 6.35mm port |
Audio Parameters (RCA)
| THD+N & Noise | < 0.0035 (1kHz-0.3dB@10kΩ) |
|---|---|
| Crosstalk | ≥120dB |
| Frequency response | 20Hz–50kHz: damping < 0.1dB20Hz–20kHz: damping < 0.1dB |
| SNR | ≥126dB (A-weighted) |
| Noise floor | < 0.9uV (A-weighted) |
| Line output level | 1.95Vrms |
Audio Parameters (6.5mm Headphone Output)
| Output power | L+R≥720mW + 720mW (16Ω, THD+N < 1 )L+R≥520mW + 520mW (32Ω, THD+N < 1 )L+R≥60mW+60mW (300Ω, THD+N < 1 ) |
|---|---|
| Output impedance | < 1.2Ω |
| Crosstalk | ≥71dB |
| Frequency response | 20Hz–50kHz: damping < 0.2dB20Hz–20kHz: damping < 0.1dB |
| Peak output voltage | 12Vp-p |
| SNR | ≥123dB (A-weighted) |
| THD+N & Noise | < 0.0059 (1kHz-7.8dB@32Ω) |
| Noise floor | < 2.8uV (A-weighted) |
Audio Parameters (4.4mm Headphone Output)
| Output power | L+R≥570mW+570mW (16Ω, THD+N < 1 )L+R≥1400mW+1400mW (32Ω, THD+N < 1 )L+R≥250mW+250mW (300Ω, THD+N < 1 ) |
|---|---|
| Output impedance | < 2.4Ω |
| Crosstalk | ≥106dB |
| Frequency response | 20Hz–50kHz: damping < 0.2dB20Hz–20kHz: damping < 0.1dB |
| Peak output voltage | 24.5Vp-p |
| SNR | ≥123dB (A-weighted) |
| THD+N & Noise | < 0.0010 (1kHz-14.5dB@32Ω) |
| Noise floor | < 4.9uV (A-weighted) |
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