FIIO KA2 LIGHTNING Portable DAC Headphone Amplifier 2x CS43131 32bit 384kHz DSD256

FIIO KA2 LIGHTNING Portable DAC Headphone Amplifier 2x CS43131 32bit 384kHz DSD256
With the KA2, FiiO offers a powerful and affordable portable DAC and headphone amplifier combo, allowing you to enjoy the best possible sound quality both on the road and at home. The KA2 features a dual DAC conversion stage and an optimized architecture to deliver accurate and dynamic sound.

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FiiO KA2 lightning

Portable DAC Headphone Amplifier 2x CS43131 32bit 384kHz DSD256

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

With the KA2, FiiO offers a powerful and affordable portable DAC and headphone amplifier combo, allowing you to enjoy the best possible sound quality both on the road and at home. The KA2 features a dual DAC conversion stage and an optimized architecture to deliver accurate and dynamic sound.

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

Dual CS43131 DAC

The digital-to-analog conversion stage of the FiiO KA2 features two Cirrus Logic CS43131 DAC chips, offering very good sound performance. They guarantee an accurate reproduction of your music, while allowing you to play high-resolution audio streams, up to PCM 32bit 384kHz and DSD256.

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256
FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

Balanced output

The output of the KA2 is on a balanced 4.4mm jack connector. This one allows to take advantage of a higher output power while ensuring a high SNR (131dB) and a low THD+N (0.0005%), favoring a pure and transparent sound.

FiiO Control app

The FiiO KA2 is compatible with the free FiiO Control mobile application. This will allow you to easily access, via an intuitive interface, parameters such as gain level, LED indicator management or mute mode.

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256
FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

Digital filters

The KA2 offers five different digital filters. These will allow you to adapt its reproduction according to your listening equipment and your tastes.

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

LED Indicator

The FiiO KA2 features a circular RGB LED indicator, allowing you to identify at a glance the type of stream being played:

Blue : PCM 48kHz or below

Yellow : PCM above 48kHz

Green : DSD

Technical characteristics

Specifications
Product typePortable DAC and headphone amplifier
Input1x Male Lightning
Output1x Jack 4.4mm balanced output
DAC chip2x Cirrus Logic CS43131
Channel balance< 0.02dB (32Ω, THD+N < 1%)
Supported samplinf ratesPCM up to 32bit 384kHz
DSD up to DSD256
Output power112mW @ 16Ω, THD+N < 1%
153mW @ 32Ω, THD+N < 1%
54mW @ 300Ω, THD+N < 1%
27mW @ 600Ω, THD+N < 1%
Output amplitude2.2V (32Ω, THD+N < 1%)
Frequency response20Hz - 20kHz (courbe d'amplitude ±0.03dB)
20Hz - 50kHz (courbe d'amplitude ±0.05dB)
Channel separation≥ 91dB (1kHz, 32Ω)
Output impedance< 0.5Ω (32Ω)
SNR≥ 125dB (32Ω, A-Weighted)
≥ 131.2dB (600Ω, A-Weighted)
Noise floor< 1.1µV (32Ω, A-Weighted)
< 1.05µV (600Ω, A-Weighted)
THD+N< 0.00036% (32Ω)
< 0.00023% (600Ω)
< 0.00024% (32Ω, A-Weighted)
< 0.00014% (600Ω, A-Weighted)
FiiO Control support
General
Dimensions40 x 15 x 12mm
Cable length~ 70mm
Weight~ 12.3g
Package1x FiiO KA2
1x Female USB-C to male USB-A

Frequency response curve #1

Test conditions : USB input, balanced output, -5dB sine signal, 20Hz-20kHz (32Ω)

Red : left channel
Blue : right channel

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

Frequency response curve #2

Test conditions : USB input, balanced output, -5dB sine signal, 20Hz-50kHz (32Ω)

Red : left channel
Blue : right channel

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

Distortion graph #1

Test conditions : USB input, balanced output, -6dB sine signal, 20Hz-20kHz (32Ω)

Red : left channel
Blue : right channel

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

Distortion graph #2

Test conditions : USB input, balanced output, -6dB sine signal, 20Hz-20kHz (32Ω, A-Weighted)

Red : left channel
Blue : right channel

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

Distortion graph #3

Test conditions : USB input, balanced output, 0dB sine signal, 20Hz-20kHz (600Ω)

Red : left channel
Blue : right channel

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256

Distortion graph #4

Test conditions : USB input, balanced output, 0dB sine signal, 20Hz-20kHz (600Ω, A-Weighted)

Red : left channel
Blue : right channel

FiiO KA2 DAC Amplificateur Casque Portable 2x CS43131 32bit 384kHz DSD256
 
Data sheet
InputLightning
OutputJack 4.4mm
DAC / ADC ChipCS43131
Max sampling rate384kHz
Max sampling rateDSD256
ColorBlack
ClassClass D / T
NetworkingNo
Remote ControlNo
 
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Average votes
5.0 / 5
1 reviews
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 5/5
Date :
Decent DAC for iPhone
Listening to music on this DAC is impressive and you can tell FiiO engineered a good device with quality components. It gets loud enough if you like a bit more power but doesn’t drive full size headphones to their full capacity. Distortion can be heard on certain earphones only at very high volumes but below that it is a pleasure to listen to
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This review has been posted for FIIO KA2 LIGHTNING Portable DAC Headphone Amplifier 2x CS43131 32bit 384kHz DSD256
 
FIIO KA2 LIGHTNING Portable DAC Headphone Amplifier 2x CS43131 32bit 384kHz DSD256
With the KA2, FiiO offers a powerful and affordable portable DAC and headphone amplifier combo, allowing you to enjoy the best possible sound...

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