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FIIO KA2 USB-C Portable DAC Headphone Amplifier 2x CS43131 32bit 384kHz DSD256
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FiiO KA2 usb-c
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.
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.
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.
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.
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 type | Portable DAC and headphone amplifier |
| Input | 1x Male USB-C |
| Output | 1x Jack 4.4mm balanced output |
| DAC chip | 2x Cirrus Logic CS43131 |
| Channel balance | < 0.02dB (32Ω, THD+N < 1%) |
| Supported samplinf rates | PCM up to 32bit 384kHz DSD up to DSD256 |
| Output power | 112mW @ 16Ω, THD+N < 1% 153mW @ 32Ω, THD+N < 1% 54mW @ 300Ω, THD+N < 1% 27mW @ 600Ω, THD+N < 1% |
| Output amplitude | 2.2V (32Ω, THD+N < 1%) |
| Frequency response | 20Hz - 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 | |
|---|---|
| Dimensions | 40 x 15 x 12mm |
| Cable length | ~ 70mm |
| Weight | ~ 12.3g |
| Package | 1x 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
Frequency response curve #2
Test conditions : USB input, balanced output, -5dB sine signal, 20Hz-50kHz (32Ω)
Red : left channel
Blue : right channel
Distortion graph #1
Test conditions : USB input, balanced output, -6dB sine signal, 20Hz-20kHz (32Ω)
Red : left channel
Blue : right channel
Distortion graph #2
Test conditions : USB input, balanced output, -6dB sine signal, 20Hz-20kHz (32Ω, A-Weighted)
Red : left channel
Blue : right channel
Distortion graph #3
Test conditions : USB input, balanced output, 0dB sine signal, 20Hz-20kHz (600Ω)
Red : left channel
Blue : right channel
Distortion graph #4
Test conditions : USB input, balanced output, 0dB sine signal, 20Hz-20kHz (600Ω, A-Weighted)
Red : left channel
Blue : right channel
| Input | USB |
| Output | Jack 4.4mm |
| DAC / ADC Chip | CS43131 |
| Max sampling rate | DSD256 |
| Max sampling rate | 384kHz |
| Color | Black |
| Class | Class D / T |
| Networking | No |
| Remote Control | No |
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