FiiO K9 Desktop DAC And Headphone Amplifier

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FiiO K9 Desktop DAC And Headphone Amplifier

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Key info

  • Two ES9068AS DACs for exceptional audio quality.
  • Features THX AAA 788+ amplifier for powerful output.
  • PCB layout separates major sections for signal integrity.
  • Meticulously designed for pure and rich sound reproduction.
  • Utilizes multiple ultra-low-noise LDOs for voltage regulation.

All specifications

Physical characteristics
Weight ~2660 g
Dimensions (HxWxD) 200 x 224.5 x 72 mm (excluding feet)
Specifications
DAC Chip ES9068AS*2
Output power 1 L+R≥2000mW+2000mW (320 balanced/THD+N<1%)
Gain H/MIL
SNR ≥ 124dB (dbA)
Inputs/Outputs
Inputs USB-B/OPT/COAX/RCA/4.4mm
Outputs 6.35mm/4.4mm/XLR-4/RCA/XLR
Analog inputs RCA; 4,4mm balanced input
Digital inputs USB; OPT; COAX; Bluetooth
Included accessories
What's in the box FiiO K9 Desktop Headphone Amp/DAC, Power cord, Headphone plug adaptor - 6.35mm to 3.5mm, USB data cable, Feet Pads x 6, Fuse, Vertical stand tray, Quick start guide and Voltage selection card

High-performance dual cores for soul-shaking sound

Two ES9068AS DACs handle the left and right channels and make up the high-quality “core” of the K9. Listen to your favourite playlist and be instantly immersed in the music.

High-end amplifier – Refreshingly capable

The FiiO K9’s ace up its sleeve is the THX AAA 788+ amplifier, giving it an extraordinary 1% undistorted power output up to 780mW at 3000 and up to 2000mW at 320. No matter if you use low-impedance or high-impedance headphones, the K9, will drive it with aplomb.

Partitioned design for max performance of each section

The PCB of the K9 features a partitioned layout, fully separating the major sections of the audio circuit – the power supply, signals, and analogue signal loop. This guarantees the integrity of the audio signal being processed.

Six-stage audio circuit faithfully reproducing sound

The desktop-grade six-stage audio circuit was meticulously designed to ensure a pure, delicate yet rich sound. (IV conversion), LPF filter, digital volume adjustment, buffer amplifier, pre-amplifier, and post-stage drive.

Multiple LDOs in multiple stages, truly stable power

The power stabilization and filtering within the audio circuit play a big part in ensuring excellent sound quality. Each stage of the audio circuit employs ultra-low-noise LDOs for voltage regulation.

Isolated digital and analogue section power supply, for purer sound

The digital and analogue portions of the K9 receive power separately to reduce interference between the two audio circuits, for pure and faithful reproduction of your music.

Electricity is the Robust power supply, ample power

The linear transformer is paired with 4 massive 4700uF capacitors to provide clean continuous power.

Dual-mode clock management, even more improvement to the sound

Accurate and stable dual-mode clock management allows the K9 to easily play back high-resolution audio with the greatest fidelity as if you were there with the performing artists.

Compatible with UAC 1.0 / UAC2.0 – highly adaptable

The K9 supports both UAC1.0 and UAC2.0 modes, allowing you to use the K9 with either device that is simply plug-and-play or with devices that can work with the K9 with an additional driver for even better compatibility. And the FiiO Control App allows you to easily switch between UAC1.0 and UAC2.0 modes.

*UAC1.0 for PS5 and other device support.

High-res Bluetooth for all of your audio-visual needs

The K9 employs the QCC5124 Bluetooth chip with support for LDAC/aptX Adaptive/aptX/aptX HD aptX LL/AAC/SBC high-res Bluetooth formats. With the K9, you can listen to music, watch videos, and play video games with high quality and low latency.

Additional Bluetooth functionalities

You can connect the K9 to your phone via Bluetooth, and with the addition of the FiiO Control app you get access to even more functionalities. Adjust various settings such as filters, status indicators, EQ and channel balance to exactly your liking.

There are 7 preset running styles and if you want more options there is a self-define PEQ (Parametric Equalizer) design that will help you to fine-tune to your favourite listening style.

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