K3_parameters

K3

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Model Name	K3	Color	Black
Weight	82g	Dimensions	70×58×22mm
Volume Knob	ADC	Audio Input	USB Type-C
USB Audio	USB 1.0 / USB 2.0	USB Chip	XMOS XUF208
USB Driver	ASIO/KS/DS/WASAPI/DSD DOP(Native)	DAC	AKM AK4452
Driver OP AMP	OPA926×2	LPF OP AMP	TI OPA1612
Gain Boost	L/H	Bass Boost	0/+6dB
Headphone Out 1	3.5mm single-ended output	Headphone Out 2	2.5mm TRRS balanced output
Line Out	3.5mm	Coaxial Out	RCA for 192kHz, support DSD64 DOP
Optical Out	Up to 96kHz	Drive Ability	16-150 Ω
Output Power 1 (3.5mm headphone output)	220mW(16Ω); 120mW(32Ω)	Output Power 2 (2.5mm headphone output)	320mW(16Ω); 200mW(32Ω)
Power Input	Recommend DC5V 500mA	Battery Capacity	N/A
THD+N	≤0.004%	Output Impedance	＜1.04 Ω
Frequency Response	20 Hz~80 kHz	SNR	>113 dB (A-weighted)
Line Level	1.9Vrms	Crosstalk	≥70 dB (1 kHz)
MAX Output Voltage	7.39 Vp-p	MAX Output Current	81.6 mA

Frequency response curve 1 (Headphone output)

Test condition: USB DAC input, play -5 dB sinusoidal signal, 192kHz 5-92kHz, 32Ω loaded

Frequency response curve 2 (Line output)

Test condition: USB DAC input, play -5 dB sinusoidal signal, 192kHz 5-92kHz, 10K loaded

Frequency response curve 3 (Balanced output)

Test condition: USB DAC input, play -5 dB sinusoidal signal, 192kHz 5-92kHz, 32Ω loaded