Fiio K19 Desktop DAC and Headphone Amplifier
The Fiio K19 is the statement desktop DAC and headphone amplifier of the K series: dual ESS ES9039SPRO flagship DACs, an eight channel THX AAA 788+ amplifier section delivering a colossal 8000mW per channel balanced, and a 31-band lossless parametric EQ running on a dedicated SHARC DSP. HDMI ARC input makes it as comfortable under a TV as it is on a desk.
Type and Technology
Each channel gets its own ES9039SPRO DAC, fed by an FPGA digital hub over dual I2S, while eight THX AAA 788+ amplifier channels are paralleled in groups for fully balanced output with vanishing distortion. THD+N measures below 0.0002% with SNR of 128dB or higher, and USB accepts PCM to 768kHz/32-bit with native DSD512 and full MQA decoding. An ADI SHARC DSP runs the 31-band parametric EQ losslessly across common sample rates.
Sound Character
Clean, precise, and effortlessly powerful, with vibrant mids, tight bass control, and one of the flattest measured responses of any Fiio source component. This is a reference grade presentation with headroom to spare for the most demanding planar headphones.
Build and Features
The die cast aluminum unibody works horizontally or vertically and carries a 1.3 inch color display plus dual knobs with RGB sample rate rings. Inputs include three USB-C ports, coaxial, optical, HDMI in and HDMI ARC, and Bluetooth 5.1 with LDAC and aptX Adaptive; outputs cover 6.35mm, 4.4mm, and XLR4 headphone jacks alongside RCA, XLR3 balanced, coaxial, optical, and HDMI out, with 12V triggers for system integration. If you would rather have network streaming and a touchscreen, consider the Fiio K17. Browse more desktop DACs and the full Fiio collection.
Best For
Reference headphone rigs, hard to drive planars, and desks where a single unit must serve PC, TV, and console duty with total authority.
What's in the Box
- Fiio K19
- AC power cord
- Infrared remote control
- USB data cable and dual USB-C data cable
- 3.5mm audio cable
- USB-C to USB-A adapter
- 6.35mm headphone adapter
- Desktop stand with vertical support, feet, screws, and screwdriver
- XLR4 dust cover
- Quick start guide and warranty card
Specifications
| Specification | Value |
|---|---|
| DAC | Dual ESS ES9039SPRO |
| Amplifier | Eight channel THX AAA 788+, fully balanced |
| Balanced output power | 8000mW x2 at 32 ohms, 1100mW x2 at 300 ohms |
| Single ended output power | 2300mW x2 at 32 ohms |
| THD+N | Less than 0.0002% (balanced, 1kHz at 32 ohms) |
| SNR | 128dB or higher balanced, A-weighted |
| Hi-res support | PCM up to 768kHz/32-bit, native DSD512, full MQA decoding |
| HDMI | HDMI in, HDMI ARC, HDMI out |
| Bluetooth | 5.1 with LDAC, aptX Adaptive, aptX HD, aptX LL, aptX, AAC, SBC |
| Inputs | Three USB-C, coaxial, optical, HDMI, Bluetooth |
| Headphone outputs | 6.35mm, 4.4mm balanced, XLR4 balanced |
| Line outputs | RCA, XLR3 balanced, coaxial, optical |
| EQ | 31-band lossless parametric EQ |
| Gain | Five levels |
| Display | 1.3 inch color display, RGB knob rings |
| Power supply | Internal 40W, AC 100 to 240V, or DC 15V/3A |
| Dimensions | 250 x 225 x 36.7 mm |
| Weight | About 1800g |
What Reviewers Say
Reviews By WaveTheory highlights the K19's massive power and all-in-one versatility for gaming and home theater duty in his hands-on review.
Returns & Support
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