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Fiio K9 PRO ESS
€899.00 Price:
4-10 days delivery
SKU:FiioK9PROESS
Quick overview:
Fiio K9 ESS Pro Επιτραπέζιος Αναλογικός Bluetooth Ενισχυτής Ακουστικών 2 Καναλιών με DAC, USB και Jack 6.3mm
Details
GENERAL SPECIFICATIONS
| Name / Model No. | K9 Pro ESS | Hardware solution |
DAC: ES9038PRO*2, USB: XMOS XUF208, Bluetooth: QCC5124, LPF: OPA1612 * 2, volume IC: NJU72315 * 2, AMP: THX AAA 788+ * 2, linear transformer：THAILIN/BingZi |
| Color | Black | Volume Scroll | Potentiometer+ADC Sampling |
| Weight | ≈2750g | Channel balance | L12~R12 (0.5dB per level) |
| Gain | L/M/H | FiiO Control | Surpported |
| Bluetooth format indication | Surpported | Sampling rate indication | Surpported |
| Firmware upgrade | System firmware and Bluetooth version can be upgraded via USB | Deep standby | Long press the multi-function button for about 3s |
| Low battery reminder | / | Dimensions | ≈200x224.5x72mm (excluding feet) |
| Bluetooth transmission | / | Bluetooth receiver (5.0) | AAC/SBC/aptX/aptX LL/aptX HD/LDAC/atpX Adaptive |
| Bluetooth format indicator | SBC: blue, AAC: cyan, aptX HD: yellow, aptX: purple, aptX LL: purple, LDAC: white, atpX Adaptive: green | Charging indicator | / |
| Maximum supported sampling rate | 384kHz-32bit/DSD256（USB DAC） | Recommended headphone impedance | 16~600 Ω |
| 192kHz-24bit (coaxial) | |||
| 96KHz-24bit (optical) | |||
| Buttons and interfaces | |||
| Button | Physical key + toggle switch | USB | Type-C, USB B (data transmission) |
| Single-ended line input interface | RCA socket | Balanced line input interface | 4.4mm balanced socket |
| Spdif in | Optical fiber socket | Digital coaxial input interface | RCA socket |
| Balanced output interface | 4.4mm socket, XLR4 balanced socket | Headphone output interface | Standard 6.35 mm socket |
| Balanced line output interface | XLR3 balanced socket | Single-ended line output interface | RCA socket |
| Power parameters | |||
| Power supply | AC 110-115V~/AC 220-230V~ （Recommended） | Battery capacity | / |
| Charging time | / | PO battery life | / |
| Audio parameters | |||
| Single-ended line output performance parameters | |||
| THD+N | ＜0.00042%(1kHz/10kΩ/dbA) | SNR | ≥123dB (dbA) |
| Crosstalk | ≥115dB (1kHz/10kΩ) | Noise floor | ＜1.9μV（dbA） |
| Frequency response | 20Hz~20kHz (-3dB) | Line Level | 2.5Vrms (1kHz/10kΩ) |
| Balanced line output performance parameters | |||
| THD+N | ＜0.00025%(1kHz/10kΩ/dbA) | SNR | ≥128dB (dbA) |
| Crosstalk | ≥125dB (1kHz/10kΩ) | Noise floor | ＜1.9μV（dbA） |
| Frequency response | 20Hz~50kHz (-1.5dB) | Line Level | 5Vrms (1kHz/10kΩ) |
| Single-ended headphone output performance parameters（6.35mm） | |||
| Continuous undistorted output power 1 | ≥1.1W（16Ω / THD+N＜1%， AUX IN) | Output impedance | ＜1Ω（32Ω） |
| Continuous undistorted output power 2 | ≥1.0W(16Ω/THD+N＜1%，UAC/SPDIF/BT IN) | Crosstalk | ≥75dB (1 kHz/32Ω，AUX IN) |
| Continuous undistorted output power 3 | ≥281mW（300Ω / THD+N＜1%，AUX IN) | THD+N | ＜0.00033% (1 kHz/32Ω/dbA) |
| Noise floor |
＜2μV（dbA，AUX IN) ＜3μV（dbA，UAC/SPDIF/BT IN） |
SNR | ≥129dB (dbA) |
| Frequency response | 20 Hz~50kHz (-1.5dB) | MAX Output Voltage | ＞26Vp-p |
| Balanced headphone output performance parameters（4.4mm/XLR4） | |||
| Continuous undistorted output power 1 | ≥1.1W（16Ω / THD+N＜1%) | Output impedance | ＜1Ω（32Ω） |
| Continuous undistorted output power 2 | ≥2.1W（32Ω /THD+N＜1%) | Crosstalk | ≥114dB (1 kHz，AUX IN) |
| Continuous undistorted output power 3 | ≥1.1W（300Ω / THD+N＜1%) | THD+N | ＜0.0003% (1 kHz/32Ω/dbA) |
| Noise floor |
＜3μV（dbA， AUX IN） 4.5uV(dbA,UAC/SPDIF/BT) |
SNR | ≥123dB (dbA) |
| Frequency response | 20Hz~50kHz (-3dB) | MAX Output Voltage | ＞52Vp-p |
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 |
Additional Information
| Does not appear in Skroutz | No |
|---|---|
| Weight (Kg) | 0.1 |