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Fiio K3 vs. iFi Audio Zen DAC + 1
Tone/balance controller
Bass control
Wireless connection
None
Bluetooth
High resolution audio formats
DSD
DSD, MQA
Analogue 3.5mm input (Aux)
Analogue RCA stereo inputs
Analogue RCA stereo outputs
1 pair
Balanced input (analogue) XLR
Balanced input digital XLR (AES / EBU)
Balanced output (analogue) XLR
Balanced output 4.4mm Pentaconn
1 ​
Balanced output digital XLR (AES / EBU)
Digital coaxial input (S/PDIF)
Digital coaxial output (S/PDIF)
1 ​
Digital optical input (S/PDIF)
Digital optical output (S/PDIF)
1 ​
Firewire
No
Headphone output
Yes
Yes
Yes
Headphone output (3.5 mm)
1 ​
Headphone output (Jack plug 6.3 mm/1/4
Output power per channel
380 mW
Pre output (full range)
Tele plug 6.3mm input
USB
Yes
Yes
Yes
Type of USB connector
USB (Type C)
USB powered (only via USB)
Yes
Available colours
Black
Black, Silver, Blue
Black, Grey, Blue, Red
Dimensions (WxHxD)
Depth
58 mm
Height
Width
70 mm
Product weight
0.82 kg
0.49 kg
0.02 kg
Features
Volume control
Volume control
Built-in D/A converter
Yes
Yes
Yes
D/A audio
24 bit / 96 kHz
DAC (audio chip)
AKM AK4452
Burr Brown DSD1793
Can be used as a preamplifier (Preamp)
Yes
No
Release year
2017
Battery operated
No
No
Separate power connector (mains)
Via AC adapter
AC/DC-Voltage (5v/12v/18v/24v/36v)