![Shanling UP4 Portable DAC + Bluetooth Headphone Amplifier [b-Stock]](https://www.playstereo.com/24391-home_default/shanling-up4-bluetooth-headphone-amplifier-b-stock-.jpg)
![Shanling UP4 Portable DAC + Bluetooth Headphone Amplifier [b-Stock]](https://www.playstereo.com/img/p/en-default-home_default.jpg)
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B-Stock product, (read below) in excellent condition with original packaging, 2 year warranty.
FIIO KA2 Portable DAC Headphone Amplifier
FIIO KA2 Portable DAC Headphone Amplifier
Unleash double the performance, 2*CS43131
The KA2 is equipped with two CS43131 DAC chips, each capable of high performance and accurately reproducing high-resolution audio. Supports up to PCM 32bit 384kHz and DSD256.
4.4mm balanced out
Get the KA2’s full potential by utilizing the 4.4 mm balanced output - with max output power of 153mW@32Ohm, a high signal-to-noise ratio of 131dB, and a THD+N of only 0.0005%, with a pitch black background. All of this ensures clean, excellent sound.
NOTE: The device only has a balanced output and it is necessary to have headphones or earphones with a 4.4 mm balanced connector
FiiO Control App
Easily link the KA2 to the FiiO Controll App, which allows you to easily access settings and parameters from the comfort of your smartphone.
5 selectable digital filters
The KA2 offers 5 different digital filters to select from. This Allows you to select your own way to listen your music.
High-quality audio, everywhere
The KA2 is compatible with Android/iOS/Windows/MacOS, covering most of the platforms commonly used.
Ring-shaped RGB LED indicator
The circular RGB LED indicator featured in the KA2, lets you instantly know what kind of audio format you are playing.
- Blue: 48kHz or below sample rate
- Yellow: above 48kHz sample rate
- Green: DSD
In the package:
- FiiO KA2
- Female USB-C to male USB-A
|
General specifications |
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|
Name/Model |
KA2 |
color |
Classic Black |
|
hardware |
DAC: CS43131*2 |
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|
Audio input interface |
Type-C Cable or Lightning |
Headset output interface |
4.4mm socket |
|
firmware upgrade |
The system firmware can be upgraded through USB |
sample rate indication |
blue: below 48kHz yellow: above 48kHz Green: DSD |
|
channel balance |
<0.02dB(32Ω/THD+N<1%) |
impedance adaptation |
16 to 300 Ω |
|
The highest supported sampling rate |
384KHz/32bit |
Support DSD |
DSD64/128/256 |
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Audio parameters |
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|
Headset Output Part Performance Parameters (4.4mm) |
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|
output power |
112mW (16Ω,THD+N<1%) |
output amplitude |
2.2V(32Ω/THD+N<1%) |
|
153mW (32Ω,THD+N<1%) |
channel separation |
≥ 91dB(1Khz,32 Ω load) |
|
|
54mW (300Ω,THD+N<1%) |
|||
|
27mW(600Ω,THD+N<1%) |
output impedance |
<0.5 Ω (load 32 Ω) |
|
|
frequency response |
20Hz to 20KHz, the curve amplitude changes by 0.03dB. |
signal-to-noise ratio |
≥ 125dB(32 Ω A) |
|
20Hz to 50KHz, the curve amplitude changes by 0.05dB. |
≥ 131.2dB (600 Ω A) |
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|
bottom noise |
<1.1uV(32 Ω-A) |
distortion plus bottom noise |
<0.00036%(32 Ω) |
|
<0.00023%(600 Ω) |
|||
|
<1.05uV(600Ω-A) |
<0.00024%(32 Ω A) |
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<0.00014%(600 Ω A) |
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