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FiiO unveils one of its most sophisticated devices with its K19. The K19 is an ultra-complete, high-performance DAC / headphone amplifier. It features two ES9039SPRO DAC chips for balanced signal processing and support for high-resolution PCM 32bit 768kHz and DSD512 streams. Two THX AAA-788+ modules handle signal amplification, for maximum output power of up to 8000mW per channel at 32 ohms. A further advantage of the FiiO K19 is its comprehensive connectivity, with numerous digital inputs: USB-C, Toslink optical, SPDIF coaxial, but above all an HDMI port and an HDMI e-ARC port. Outputs include 2 digital outputs, Toslink optical and coaxial SPDIF, as well as various analog outputs: stereo balanced XLR line output, 2x stereo RCA line output, 6.35mm headphone output, 4.4mm balanced headphone output and balanced XLR headphone output. Two 3.5mm Trigger IN/Trigger OUT 12V jack ports complete the package, as does an RS232 interface on a USB-C port (for DSP setting). Fiio has opted for an original, aesthetically pleasing case that can be positioned vertically or horizontally, and incorporates a small screen as a control interface.
The K19 incorporates two DAC chips for balanced audio channel processing. The ES9039SPRO DAC chips are 32bit, 8-channel DAC chips specially designed for professional applications. They enable the FiiO K19 to support high-resolution PCM 32bit 768kHz and native DSD streams up to DSD512. In addition, these DAC chips are combined with two ACCUSILLON AS318-B crystal oscillators to guarantee a perfect clock signal.
Headphone amplification is provided by two THX AAA-788+ modules, for exceptional output power of up to 8000mW per channel. As a result, the K19 can drive any type of audiophile headphone on the market, whether with 32 or 600 ohms impedance.
The K19 features a Bluetooth chip (receiver/transmitter), enabling it to support the following wireless transmission codecs: SBC, AAC, aptX, aptX HD and LDAC.
The K19 incorporates an ADI SHARC+ ADSP-21565 DSP from Analog Devices Inc., giving users the benefit of a 31-band parametric equalizer. As a result, the K19's tuning control is extremely precise over a wide range of frequencies. This feature enables the user to adapt the sound to his preferences and the type of music he is listening to.
A switch allows you to select the power supply mode, either 220V AC mains or 15V DC, to suit various configurations. A grounding switch, also located on the rear of the unit, resolves potential ground loop problems and effectively eliminates noise.
1 | HDMI /HDMI e-ARC input |
2 | Bluetooth antenna |
3 | Ground switch |
4 | 12V Trigger IN/OUT jack 3.5mm |
5 | RS-232 input via USB-C |
6 | USB-C input |
7 | SPDIF coaxial / optical TOSLINK inputs |
8 | SPDIF coaxial / optical TOSLINK outputs |
9 | 2x stereo RCA line output |
10 | XLR balanced stereo line output |
11 | 220V AC / 15V DC power supply |
Technichal characteristics
Specifications | |
---|---|
Product type | DAC / Headphone amplifier |
DAC chips | 2x ES9039SPRO |
Amplifier modules | 2x THX AAA-788+ |
Inputs | 1x USB-C 1x Optical Toslink 1x Coaxial SPDIF 1x HDMI 1x HDMI e-ARC 1x RS-232 via USB-C (for DSP setting) Bluetooth |
Outputs | 1x 6.35mm jack headphone output 1x 4.4mm jack balanced headphone output 1x XLR balanced headphone output 2x RCA stereo output 1x XLR stereo balanced output 1x Toslink optical output 1x Coaxial SPDIF output |
Other connectors | 12V Trigger IN jack 3.5mm 12V Trigger OUT Jack 3.5mm |
Bluetooth | 5.0 Bi-directional |
Supported Bluetooth codecs | SBC, AAC, aptX, aptX HD, LDAC |
Supported sample rates | PCM 32Bit 768kHz, native DSD up to DSD512 |
Headphone output power | 2x 8000mW @ 32 ohm |
General | |
---|---|
Power supply | 220V AC or 15V DC |
Color | Black |
Package | 1x FiiO K19 1x Power adapter |
Input | RS-232 |
Input | SPDIF |
Input | HDMI |
Input | HDMI ARC |
Input | USB |
Input | Optical |
Output | Jack 4.4mm |
Output | Optical Toslink |
Output | XLR |
Output | Jack 6.35mm |
Output | RCA |
Output | Coaxial SPDIF |
DAC / ADC Chip | ES9039MPro / ES9039MSPro |
Max sampling rate | DSD512 |
Max sampling rate | 768kHz |
Color | Black |
Class | N/A |
Networking | No |
Remote Control | No |