K5 Pro K5 K3
Color Available Black Titanium Black
Power Supply DC 15V DC 15V USB 5V
USB USB B USB B Type C
USB Support 768kHz/32b hardware native × 768kHz/32b hardware native
DSD decoding DSD decoding
Coaxial In √ × ×
Optical In √ × ×
Line IN RCA RCA+Dock ×
Headphone out 6.35mm 6.35mm 3.5mm+2.5mm
Line Out RCA RCA+3.5mm 3.5mm
Coaxial Out × × √
Optical Out × × √
BASS × × √
Gain Control L/M/H L/M/H L/H
Phone decoding √ × ×
Indicator light RGB(Blue/Yellow/Green) Red/Blue RGB(Blue/Yellow/Green)
DAC Chip AK4493 × AK4452
AMP Chip TPA6120 TPA6120 OPA926
Output Power (headphone output） 1.5W 32Ω 1.5W 32Ω 120mW 32Ω (PO)
200mW 32Ω (BAL)
Audio Performance (DAC Section)
SNR ≥115dB(A-weighted) ≥110dB(A-weighted) AUX >113 dB(A-weighted)
THD+N（AUX) <0.004% <0.002% ≤0.004%
Noise（AUX) <8uV <10uV <8uV
Crosstalk（USB) ＞75 dB ＞70 dB ＞70 dB