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1 Year Limited Warranty (subjected to Fiio T&C)

FIIO K9 Hi-Res HIFI Desktop DAC and Headphone Amplifier Dual ES9068AS THX AAA QCC5124 Bluetooth in 5.1 LDAC aptX adaptive

The FiiO K9 Desktop DAC/Amp is a mid-fi heavyweight. From the DAC to the amplification to the volume adjustment, every part of the K9 is truly balanced for greatly reduced crosstalk and distortion. Featuring Bluetooth 5.1, dual THX chips, and dual ESS DAC chips, it provides everything you need to enjoy extremely high-res sound files like LDAC, 32-bit/768kHz PCM, and DSD512.

Product highlights

  • High performance dual ES9068AS D/A chips
  • THX AAA 788+ amplifier
  • Dual-mode clock management
  • QCC5124 Bluetooth 5.1 chip 
  • Hi-res Bluetooth codec support: LDAC, aptX, aptX HD
  • Truly balanced architecture
  • Dual-voltage linear transformer


  • DAC: ES9068AS x2
  • Decoding chip: XMOS XUF 208
  • Amplifier: Dual THX AAA 788+
  • Bluetooth chip: QCC5124 Bluetooth 5.1
  • Bluetooth format support: LDAC, aptX Adaptive, aptX HD, aptX, aptX LL, AAC, SBC
  • Outputs: 6.35mm, 4.4mm, XLR-4, RCA, XLR
  • Inputs: USB, optical, coaxial, RCA, 4.4mm
  • Output power 1: L+R ≥2000mW + 2000mW (32Ω balanced/ THD+N <1%)
  • Output power 2: L+R ≥780mW + 780mW (300Ω balanced/ THD+N <1%)
  • SNR: ≥124dB (A-weighted, UAC)
  • Noise floor: PO <4.8uV (A-weighted, UAC); BAL <9.3uV (A-weighted, UAC)
  • Output impedance: <1Ω (32Ω load)
  • Weight: About 5.8lbs (2660g)
  • Dimensions: 7.8” x 8.7” x 2.8” (200 x 224.5 x 72mm)

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