FiiO K9 Pro ESS
 | Expecting restock Type: stationary; DAC: ES9038PRO; Headphone impedance (ohm): 16 – 600; Frequency range (Hz): 20 – 50000; Signal to noise ratio (dB): 129; Bluetooth: v5.0; Codec support: aptX: aptX Low Latency; AAC; LDAC; Gain Control; Level adjustment: wheel; RCA; coaxial S/PDIF; optical; USB (OTG); USB (Type B) E-Catalog uses affiliate links compensated by our partners. |
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1x 4.4mm audio input.
USB-C is on the side wall.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog FiiO 2026 - new arrivals, bestsellers, and the most relevant models FiiO.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog FiiO 2026 - new arrivals, bestsellers, and the most relevant models FiiO.
Video reviews
Battle Royale: DX5 vs M500 vs EF400 vs DX7 Pro+ vs K9 Pro ESS
13 September 202243 728 view
FiiO K9 Pro ESS All-in-One / DAC-Amp Combo Review
7 May 202231 551 view
FiiO K9 Pro ESS Review - Better Than The AKM Version?
17 July 202229 969 view
FiiO K9 PRO ESS Review – The King of All-In-Ones
13 March 202224 504 view
FiiO K9 PRO ESS - The Aesthetic and Incredible DAC AMP with ESS DAC's
11 April 202219 109 view
Fiio K9 Pro ESS - Slightly Different Shade Of Lipstick
21 July 202215 457 view
FiiO K9 Pro DAC (ESS version) — future-proof
31 May 20227 493 view
FIIO K9 PRO ESS (FULL REVIEW) - HIGH END SOUND FOR A MID-FI PRICE).
20 November 20226 047 view
FiiO K9 Pro ESS Dac and Amp, my honest opinion.
19 May 20223 815 view
FIIO K9 PRO ESS (FIRST IMPRESSIONS).
11 October 20222 960 view
【Sound Demo】FiiO FT3 & FiiO K9 Pro ESS ♪"Hold On Tight"_aespa
11 April 2023248 view
【Sound Demo】BQEYZ Winter & FiiO K9 Pro ESS ♪"Savage"_aespa
21 March 2023216 view
We recommendCompare using chart →
stationary, headphone output: 30 – 600 Ohm, Jack 6.35 mm, 10 – 100000 Hz, signal/noise 100 dB
stationary, headphone output: mini-Jack 3.5 mm, Jack 6.35 mm, 20 – 20000 Hz, signal/noise 90 dB
stationary, headphone output: 8 – 600 Ohm, mini-Jack 3.5 mm, 20 – 20000 Hz, signal/noise 118 dB
stationary, headphone output: 32 – 600 Ohm, Jack 6.35 mm, 500 мВт at 32 Ohm, 20 – 50000 Hz
portable, headphone output: 16 – 300 Ohm, mini-Jack 3.5 mm, 16 мВт at 300 Ohm, 10 – 80000 Hz, signal/noise 100 dB
stationary, DAC: 48 kHz, headphone output: Jack 6.35 mm, 10 – 120000 Hz, signal/noise 85 dB
stationary, headphone output: 16 – 300 Ohm, mini-Jack 3.5 mm, 20 – 22000 Hz, signal/noise 95 dB
stationary, headphone output: Jack 6.35 mm, 220 мВт at 32 Ohm, 20 – 30000 Hz, signal/noise 85 dB
portable, DAC: Cirrus Logic CS43198, 32 bit, headphone output: Pentaconn 4.4 mm, input USB-C, 230 мВт at 32 Ohm, signal/noise 131 dB