FiiO K17
Image source — © FiiO
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Model name
K17
Conversion type
N/A
Engine
AKM AK4191 + AK4499EX x 2
DSD compatability
Yes
Parameters
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
20000
Gain (dBu)
N/A
Output Level (balanced) (V)
N/A
Output Level (single-ended) (V)
N/A
Input Impedance (balanced) (Ω)
N/A
Input Impedance (single-ended) (Ω)
N/A
Output Impedance (balanced) (Ω)
N/A
Output Impedance (single-ended) (Ω)
N/A
Analog outputs
N/A
Signal to Noise Ratio (dB)
121
Total Harmonic Distortion + Noise (% at 22 kHz)
0.00053
Dimensions (mm)
N/A
Weight (kg)
N/A
Official link
The QX13 uses low-noise ES9312 stabilizers and four integrated INA1620 chips to minimize interference between channels. Two OPA1692 amplifiers are responsible for stable dynamics even under heavy load. Supports PCM up to 32 bit/768 kHz, DSD512 and full MQA decoding.
Digital-to-analog conversion is implemented on two AK4497S chips from the Velvet Sound series by the Japanese company Asahi Kasei. The dual mono configuration provides a fully symmetrical and differential analog path. The analog and digital parts of the circuit, as well as power supplies, are located on separate boards.
The FiiO S15 is a DAC/streamer with a high-quality analog section and a balanced output on XLR connectors. The new product is Roon Ready certified and supports DLNA and AirPlay. In addition, the FiiO S15 can be used as a preamplifier (has a digital volume control), which allows you to connect the player directly to a power amplifier or active loudspeakers.