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Fiio K9 PRO ESS
€666.66 ex.TAX
Comparison
| Model | K9 Pro | K9 Pro ESS | |
| appearance | Dimensions | 200*224.5*76mm (height including feet) | 200*224.5 * 72mm (height excluding feet) |
| weight | About 2750g | About 2700g | |
| Volume knob | Stainless steel PVD silver | Aluminum alloy PVD gold | |
| Heat emission hole | / | On both sides | |
Material&color |
All aluminum alloy, black |
All aluminum alloy, black |
|
Interfaces |
power supply | AC + built-in Linear Power Supply | AC + built-in Linear Power Supply |
| Digital input interface | USB; Optical; Coaxial; Bluetooth | USB; Optical; Coaxial; Bluetooth | |
| Analog input interface | RCA;4.4mm balanced input | RCA;4.4mm balanced input | |
| USB interface | USB B ;Type C | USB B ;Type C | |
Headphone output |
Balance: XLR-4;4.4mm;
Single-ended:6.35mm/3.5mm |
Balance: XLR-4;4.4mm;
Single-ended:6.35mm/3.5mm |
|
| Line out | RCA/Balanced XLR * 2 | RCA/Balanced XLR * 2 | |
| Configuration |
Power supply unique design |
Digital and Analog Isolation Design |
Digital and Analog Isolation Design |
Audio processing layers |
6 layers |
6 layers |
|
| Clock design | dual mode dual crystal oscillator | dual mode dual crystal oscillator | |
| filter | 6 kinds | 7kinds | |
| USB CHIP | XMOS XUF208 | XMOS XUF208 | |
| MQA | Renderer | Renderer | |
| Bluetooth | QCC5124 | QCC5124 | |
Audio clock |
High precision PLL + dual crystal oscillator |
High precision PLL + dual crystal oscillator |
|
| Audio DAC | AK4499EQ*1 | ES9038Pro*2 | |
Output mode |
HP/LO/DAC |
HP/LO/DAC |
|
Gain |
Three gears |
Three gears |
|
Amp chip |
Dual THX AAA 788+ | Dual THX AAA 788+ | |
| Output performance | Output power (PO) | 2000mW(32 Ω), 278mW(300 Ω)
|
2100mW(32 Ω),281mW(300 Ω)
Balance: 2100mW(32 Ω),1100mW(300 Ω) |
| Output power (BAL) | 2000mW(32 Ω),1100mW(300 Ω) | 2100mW (32Ω)
1100mW (300Ω) |
|
Peak output voltage |
51Vpp | 52Vpp | |
| THD+N | ≤ 0.0003% | ≤ 0.00025% | |
| SNR | ≥ 123dB | ≥ 129dB | |
| Other |
APP control |
Android/iOS | Android/iOS |
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