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