FiiO K17

€999.90*

Prices incl. VAT. Free shipping within Germany from €50.00 and within the EU from €75.00

In stock, delivery time: 1-3 days

Color

Black

Silver

Product number: HL02566.2

Product information "FiiO K17"

Desktop AK4191 dual AK4499EX DAC AMP headphone amplifier

Flagship DAC system: Two AK4499EX DAC chips and one AK4191 chip
Output power: 4000 mW balanced output and 4000 mW in ultra-high gain mode
31-band PEQ: High-precision parametric equalizer
Advanced power supply: Dedicated, low-noise power supply with separate analog and digital circuits for optimal performance
Fully balanced design: Provides excellent channel separation and reduced crosstalk, improving overall sound quality
Multiple inputs and outputs: Supports USB, optical, coaxial, analog inputs and provides balanced and unbalanced outputs
Roon Ready certification: Fully compatible with Roon for high-quality music streaming
Touchscreen and remote control: A 3.93-inch LCD touchscreen and included infrared remote control ensure ease of use

Exploring new frontiers

Symphony of retro elegance and modern technology

This is the next generation of desktop decoding headphone amplifiers, designed to deliver a unique and outstanding performance. It is a symphony of retro elegance and cutting-edge technology, characterized by a unique design and extensive functionality, wrapped in a powerful package.

The FIIO K17 is not only the improved successor to the K9 Pro, but also an exploration of new possibilities for a high-end desktop DAC and headphone amplifier.

A mixing console for desktop Hi-Fi

Special chips for special applications, extraordinarily powerful

The FIIO K17 is equipped with an M 21586 Q DSP chip that can perform 64-bit floating point calculations with double precision and operates at a high clock frequency of 360 MHz. This chip is complemented by an ES9821Q high-performance ADC and a specially adapted femtosecond crystal oscillator with very low phase noise. These three components enable the user to utilize the high-precision 31-band lossless PEQ in all modes. The PEQ is designed to ensure that the audio signal retains high fidelity even after processing. The chip also enables a robust output protection function, ensuring that headphones and other connected audio devices are fully protected.

7.84-inch color screen, excellent usability

Thanks to the larger color screen compared to similar products, combined with the custom Android 12, which has a custom portrait display system, the display is clear and easy to read. Direct interaction with the device is intuitive, making it easy to perform various operations right out of the box. You can directly feel how every touch gets you to your destination easily and quickly.

Discrete Class AB transistor current amplifier Headphone amplifier

A key component of the K17 is a carefully designed, fully discrete amplifier circuit for headphones. The discrete circuit is designed as an OP+ transistor current amplifier and is equipped with the classic pair of ON semiconductor transistors MJE 243/253. They are capable of generating high currents with low output impedance. The result is an output power of up to 4000mW+4000mW in balanced mode, almost twice as much as the K9 Pro ESS. It is capable of driving various types of headphones and in-ear headphones with ease, producing a smooth, pleasant and natural sound.

AKM flagship DAC AK4191+ 2x AK4499EX

The K17 features AKM's flagship DAC chip combination - AK4191+2xAK4499EX. Each channel is driven by two AK4499EX chips. The 8-channel to 4-channel LPF design reduces common mode interference, resulting in better channel separation and dynamics. It also features a newly designed architecture with fully separated digital/analog sections, including the newly developed “DWA Routing” technology for an even cleaner sound background and improved resolution.

8 operating modes

USB decoding: The XMOS 16-core XU 316 enables support for up to 768 kHz/32bit, DSD 512 and MQA full decoding

Bluetooth decoding: The Qualcomm QCC5125 enables support for Bluetooth 5.1 and the aptX HD/aptX Adaptive/LDAC codecs

Optical decoding: Receives digital audio signals via the optical connection

Coaxial decoding: Receives digital audio signals via the coaxial connection

Signal-ended line output: Receives a one-sided analog signal that is amplified by the K17

Balanced line input: Receives a balanced analog signal for amplification by the K17

Receiver for streaming media: Enjoy streaming media via RoonReady* or AirPlay

Local playback supports external USB sticks and portable hard disks* on which your private music collection is stored.

Fully balanced design

From the DAC to the I/V conversion to the low-pass filtering and the two headphone amplifiers, the entire audio circuit is built in a fully differential circuit architecture. This ensures both a high dynamic range of the signals and significantly reduced crosstalk. Various parts of the audio circuitry, including the I/V converters and LPF stages, use multiple OPA 1612 low-noise precision operational amplifiers to ensure dynamic audio output.

Physically separated circuit boards

The different sections of the internal power supply, digital and analog sections are all located on physically separated circuit boards to avoid interference between them. This ensures the accuracy and integrity of signal processing for a purer and cleaner audio output.

Precision power supply design

Linear 35W high noise power supply with five large 4700µF electrolytic capacitors.

The K17 is powered by a high-quality, low-noise transformer that ensures the purity of the power delivered. In addition, five 4700µF electrolytic capacitors provide ample power reserves to ensure a consistent power supply.

Separate power supplies for analog and digital circuits

Separate power supplies for the digital and analog circuits effectively prevent crosstalk and interference between them.

Multi-stage analog power supply

The analog audio circuitry of the K17 is powered by a multi-stage power supply. Many of the stages have their own power supply circuitry, including those for the digital-to-analog conversion, LPF and transistor. Low noise, high power supply rejection ratio (PSRR) The TPA7A47/7A33 LDO regulators also act as secondary voltage regulators to continuously deliver stable and clean performance.

Precisely restored audio where every detail is audible

3 ACCUSILICON femtosecond audio crystal oscillators with low phase noise

The K17 uses three industry-leading ACCUSILICON femtosecond crystal oscillators with extremely low phase noise, including the AS318-L (45.1584Mhz, 49.1520Mhz) and the AS318-Pro (24.575Mhz). This significantly reduces the effects of phase noise on audio signals, allowing audio signals with different sampling rates to be accurately and faithfully restored, resulting in a purer and more consistent sound.

Dual core design smooth stable experience

Powerful X2000 multicore processor:

The processor features a unique design consisting of a small XBurst@ main core. This chip offers excellent computing performance with low power consumption. The X2000 ensures precise audio signal processing and stable, smooth audio playback.

ESP32-S3 SoC with low power consumption: This chip contains a powerful Xtensa 32-bit LX7 dual-core processor that can operate at up to 240Mhz, as well as a co-processor with extremely low power consumption. With this SoC, the K17 offers a fast and smooth user experience.

Square and circle - a surprisingly synergetic combination

The design blends square and circle into a harmonious whole and combines retro elegance with modern technology - a refreshing experience. Both the functionality and the design are well thought out: for example, there are several buttons for easier control and the grid structure for faster heat dissipation.

Enjoy without worry

Multiple protection systems

Hear worry-free with various protection mechanisms that can intelligently detect abnormal conditions and perform automatic protection to prevent damage to the device. These include temperature protection for the headphone amplifier, temperature protection for the transformer, overload protection for the output, DC protection for the output and overcurrent protection for the input.

Wired or wireless always online

The Ethernet connection supports speeds of up to GB for fast and stable data transmission. You mayThe AP6256 Wi-Fi module supports 2.4G and 5G wireless networks as an alternative and equally stable method for lossless audio transmission.

Specifications

DAC / formats: 2x AKM AK4499EX, 1x AKM AK4191

PCM: up to 768 kHz / 32 bit

DSD: up to DSD512 (native)

Headphone amplifier: Class A/B transistor Gain selection: Super-Big-Ear, Big-Ear, High Gain, Medium Gain, Low Gain Power unbalanced (6.3 mm),

Super-Big-Ear Gain: 16 Ohm: L+R≥1800 mW + 1800 mW (THD+N < 1%) 32 Ohm: L+R≥1850 mW + 1850 mW (THD+N < 1%) 300 Ohm: L+R≥240 mW + 240 mW (THD+N < 1%)

Frequency response: 20 Hz ~ 90 kHz: Attenuation < 3 dB

Output impedance: <1 Ohm

Channel separation: ≥76 dB (1 kHz at 32 Ohm)

SNR: ≥124 dB

Power balanced (4.4 mm and 4-pin XLR), super big-ear Gain: 16 Ohm: L+R≥1800 mW + 1800 mW (THD+N < 1%)

32 Ohm: L+R≥4000 mW + 4000 mW (THD+N < 1%) 300 Ohm: L+R≥950 mW + 950 mW (THD+N <1%)

Frequency response: 20 Hz ~ 90 kHz: Attenuation < 3 dB

Output impedance: <1.5 Ohm

Channel separation: ≥119 dB (1 kHz at 32 Ohm)

SNR: ≥123 dB

Power unbalanced Line-Out (RCA): Output level: 2.5 Vrms (1 kHz at 10 kOhm)

SNR: ≥121 dB Channel separation: ≥118 dB (1 kHz at 10 kOhm)

THD+N: <0.00053 % (1 kHz / -10 dB at 10 kOhm)

Power balanced Line-Out (XLR): Output level: 5 Vrms (1 kHz @ 10 kOhm)

SNR: ≥125 dB

Channel separation: ≥121 dB (1 kHz @ 10 kOhm)

THD+N: <0.00045 % (1 kHz / -10 dB @ 10 kOhm)

Display: 3.93 inch LCD touchscreen (240 x 1020 Px)

System: Custom Android 12 (no app installation possible)

Equalizer: 31-band EQ

Bluetooth: Qualcomm QCC5125 chipset (AAC / aptX / aptX LL / aptX HD / aptX Adaptive / LDAC)

Power supply: low-noise 35W linear power supply

Size: 244.6 x 213 x 66.8 mm

Weight: 2.75 kg

Safety Instructions

1. Reparieren, zerlegen oder modifizieren Sie das Gerät nicht ohne Genehmigung.

2. Für eine gute Belüftung muss an der Rückseite und an beiden Seiten ein Mindestabstand von 10 cm und an der Oberseite des Geräts ein Abstand von 20 cm eingehalten werden.

3. Lassen Sie kein Wasser in den Player tropfen oder spritzen. Stellen Sie keine Gegenstände, die Flüssigkeit enthalten, auf den Player, z. B. eine Vase.

4. Decken Sie die Lüftungsöffnungen nicht mit Zeitungen, Tüchern, Vorhängen usw. ab, um die Lüftung nicht zu blockieren.

5. Stellen Sie keine offene Flamme auf den Player, z. B. eine brennende Kerze.

6. Das Gerät muss an eine geerdete Netzsteckdose angeschlossen werden.

7. Wenn Netzstecker und Gerätekupplung als Trennvorrichtung verwendet werden, muss die Trennvorrichtung leicht zu bedienen sein.

8. Die Altbatterie muss gemäß den einschlägigen örtlichen Vorschriften für die Entsorgung von Batterien behandelt werden.

9. Nur für den sicheren Gebrauch in Gebieten mit einer Höhe von weniger als 2000 m.

10. Nur geeignet für den sicheren Gebrauch unter nicht-tropischen Klimabedingungen.

Informationen zum Hersteller

Desktop AK4191 dual AK4499EX DAC AMP headphone amplifier

Flagship DAC system: Two AK4499EX DAC chips and one AK4191 chip
Output power: 4000 mW balanced output and 4000 mW in ultra-high gain mode
31-band PEQ: High-precision parametric equalizer
Advanced power supply: Dedicated, low-noise power supply with separate analog and digital circuits for optimal performance
Fully balanced design: Provides excellent channel separation and reduced crosstalk, improving overall sound quality
Multiple inputs and outputs: Supports USB, optical, coaxial, analog inputs and provides balanced and unbalanced outputs
Roon Ready certification: Fully compatible with Roon for high-quality music streaming
Touchscreen and remote control: A 3.93-inch LCD touchscreen and included infrared remote control ensure ease of use