FiiO K9 Desktop Headphone Amplifier USB DAC Hi-Fi ES9068ASx2 THX AAA

FiiO K9 Desktop Headphone Amplifier AMP USB ES9068AS*2 DAC Bluetooth HiFi Audio THX AAA 788+ LDAC DSD512 Note:  A signature is required for package delivery. Thanks!

[High performance ES9068AS*2 DAC] Two ES9068AS DACs handle the left and right channels, and make up the high-quality "core" of the K9.

[THX AAA 788+ amplifier] K9's ace up its sleeve is the THX AAA 788+ amplifier, giving it an extraordinary 1% undistorted power output up to 780mW at 300Ω and up to 2000mW at 32Ω.

[Isolated digital and analog section power supply] The digital and analog portions of the K9 receive power separately to reduce interference between the two audio circuits, for pure and faithful reproduction of your music.

[QCC5124 Bluetooth] K9 employs the QCC5124 Bluetooth chip with support for LDAC/aptX HD/aptX Adaptive and other high-res Bluetooth formats. Bluetooth 5.1, supported formats: LDAC/aptX Adaptive/aptX/aptX HD/aptX LL/AAC/SBC.

[Professional PEQ for what you love] Through the FiiO Control app, you can quickly switch between 7 music tuning styles preset on the K9. If the selected tuning style fits the music you are listening to, you can acquire a more vivid and pleasant experience.

K9
1.High performance ES9068AS*2 DAC
2.THX AAA 788+ amplifier
3.Dual-mode clock management
4.QCC5124 Bluetooth | LDAC/aptX Adaptive and other high-res Bluetooth format support
pp connectivity
5.Truly balanced design
6.Dual-voltage linear transformer
7.Variety of inputs and outputs
Basic specifications

Bluetooth chip: QCC5124, Bluetooth 5.1

Bluetooth format support: LDAC/atpX Adaptive/aptX HD/aptX/aptX LL/AAC/SBC

Outputs: 6.35mm/4.4mm/XLR-4/RCA/XLR

Inputs: USB/OPT/COAX/RCA/4.4mm

SNR: ≥124dB (A-weighted, UAC)

Noise floor: PO＜4.8μV (A-weighted, UAC); BAL＜9.3μV (A-weighted, UAC)

Output impedance: ＜1Ω (32Ω load)

Abundant accessories
K9*1, Power cord*1, Headphone plug adapter*1, USB data cable*1, Feet pads*6, Fuse*1, Stand*1, Quick start guide*1, Voltage selection card*1
High-performance dual cores
Two ES9068AS DACs handle the left and right channels, and make up the high-quality "core" of the K9. Listen to your favorite playlist and be instantly immersed in the music.
Six-stage audio circuit
The desktop-grade six-stage audio circuit was meticulously designed to ensure a pure, delicate yet rich sound. I/V conversion, LPF filter, digital volume adjustment, buffer amplifier, pre-amplifier, post-stage drive
High-end amplifier
Power output up to 780mW at 300Ω and up to 2000mW at 32Ω
Multiple LDOs in multiple stages
The power stabilization and filtering within the audio circuit plays a big part in ensuring excellent sound quality. Each stage of the audio circuit employs ultra-low-noise LDOs for voltage regulation.
Robust power supply
The linear transformer is paired with 4 massive 4700uF capacitors to provide clean continuous power.
Dual-mode clock management
Supports up to 768kHz/32bit PCM and DSD512
What is the difference between K9,K9Pro and K9 ESS?
What are the main functions of K9 and K9Pro?
1. Cancel the side Type-C port
2. Cancel MQA support, with the highest sampling support to PCM768k,DSD512; Coaxial support DSD64(DOP)-- K9Pro only to PCM384k,DSD256, and does not support coaxial DSD decoding
3. The RGB indicator light is changed to blue when playing 48k and below (K9Pro is dark blue)
4. Support UAC1.0 and UAC2.0, and set the switching mode through APP
5. Bluetooth mode equalizer supports PEQ
6. Change the filter setting to 3 (K9E is 6, K9Pro is 7)
The comparison between K9,K9 Pro and K9 Pro ESS is as follows

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