FiiO - KA3 USB Amp/DAC

Description

FiiO / Jade Audio KA3
Small USB DAC and Amplifier
Optimized HiFi audio architecture | Independent flagship DAC
32Bit/768kHz DSD512 robust capacity | 3.5+4.4 dual headphone outputs
Creating a better headphone jack in their absence
With most phones now foregoing a headphone jack, we felt compelled to create a headphone jack to truly bring back great sound.
Tremendous performance in a slim package
Within the KA3's petite frame lies exceptional hardware.
Optimized and enhanced HiFi audio architecture
Experience uncompromised audio quality with a carefully engineered multi-chip audio circuit.
High-performance flagship DAC
Potently robust Dual headphone outputs
Comes equipped with 2 headphone outputs, both powerful to easily drive a variety of headphones.
32BIT/768KHZ | DSD512
Low noise floor Clean sound for a great sound
Featuring abundant power with high signal-to-noise ratio, low distortion, and almost 0 noise - this is true high-fidelity sound.
>122DB SNR
<0.0008% THD+N
<1.7UV Noise
Have it all Dual SE and balanced outputs
Satisfy multiple use cases with both a 3.5mm single-ended and a 4.4mm balanced output.
Wonderfully versatile Anywhere, anytime
Compatible with various OSes like Android/iOS/Windows/Mac
Compatible with many devices like phones/tablets/computers/ audio players
Use in various scenarios like listening when commuting, in the home or office, or even gaming
*Due to the large output power of the KA3 and limited external power supply of iPhones, stutter and muteness may happen to the maximum volume.
* For Windows systems, please install the driver first.
Stunningly suave All-metal construction
The all-metal body sports a handsomely rugged design with distinct edges and a luxurious gold and black finish.
Practical and beautiful RGB touch
Besides exuding elegance, the RGB light indicator usefully indicates the current sampling rate.
blue - 48kHz and below sampling rate
yellow - 48kHz and above sampling rate
green - DSD
Even more ways to interact
Unleash the KA3's potential with more interactivity in a control app including controls for 7 kinds of filters, high and low gain, and channel balance adjustment.
Specifications
DAC chip: E59038Q2M
Input port: Type-C USB
Output port: 3.5mm single-ended, 4.4mm balanced
Output power: 130mW@32R(PO), 240mW@32R(BAL)
Noise floor: 3.94V/4.2uV(PO), 4.4uV/4.30V(BAL)
Decoding: Supports up to PCM 32bit/ 768kHz DSD512
Color: Black (Black main body, gold ends)
Weight: About 17.5g
Accessories: KA3*1, Type-C to Type-C cable*1, Type-C to USBA cable*1, User manual*1
General specifications
Name/Model
KA3
Color
Black
hardware
DAC: ES9038Q2M
FiiO Control
support
weight
Approximately 17.5g
Size
About 56.3mm x 20.2mm x 12mm
Audio input interface
TypeC USB
Headset output interface
3.5mm socket
Balancing output interface
4.4mm socket
DSD
DSD64/128/256/512
Firmware upgrade
System firmware and Bluetooth version can be upgraded via USB
Sampling rate indication
Blue ≤48kHz
Yellow ＞48kHz
Green ＝DSD
Channel balance
PO: <0.004dB(32Ω/THD+N<1%)
BAL: <0.046dB(32Ω/THD+N<1%)
Recommended headphone impedance
16~300Ω(PO)
16~300Ω(BAL)
Maximum supported sampling rate
768KHz/32bit
Power Supply Parameters
Power supply
Battery capacity
N/A
Audio parameters
Single-ended line output performance parameters
Output power
120mW (16Ω,THD+N<1%)
Output Level
2V(32Ω/THD+N<1%)
130mW (32Ω,THD+N<1%)
Crosstalk
≥ 76dB(1Khz,32 Ω load)
14mW (300Ω,THD+N<1%)
≥ 118dB(1Khz, no-load)
7mW (600Ω,THD+N<1%)
Output impedance
<0.5 Ω (load 32 Ω)
Frequency response
20Hz to 20KHz, the curve amplitude changes by 0.2dB.
SNR
≥ 122dB(32 Ω A)
20Hz to 50KHz, and the curve amplitude varies by-1dB.
THD+N
<0.0008%
Noise floor
＜1.7uV（dbA）
Balanced line output performance parameters
Output power
120mW (16Ω,THD+N<1%)
Output Level
2.7V(32Ω/THD+N<1%)
240mW (32Ω,THD+N<1%)
Crosstalk
≥ 106dB(1Khz,32 Ω load)
56mW (300Ω,THD+N<1%)
≥ 115dB(1Khz, no-load)
28mW (600Ω,THD+N<1%)
Output impedance
<0.7 Ω (load 32 Ω)
Frequency response
20Hz to 20KHz, the curve amplitude changes by 0.2dB.
Noise floor
<2.9uV(A calculation)
20Hz to 50KHz, and the curve amplitude varies by-1dB.
THD+N
<0.0010%
SNR
≥ 119dB(32 Ω A)