iFi Audio Micro-iDAC2 DSD256/PCM384/DXD USB DAC Decoder + Headphone Amplifier

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Price: US$479.98
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  • Input: USB3.0 (compatible with USB2.0)
  • SNR:> 114dBA (3.2V into 16 Ohm, 0dBFS)
  • Distortion: <0.0025% (1V into 16 Ohm, 0dBFS)
  • Coaxial: SPDIF RCA (only PCM up to 192KHz)

Details

Description
The iDAC was good. It was very good and cultivated a very loyal following among customers and reviewers alike. The iDAC2 is the all-new 2015 version. It is a totally new design that has drawn upon the widespread praise garnered by the nano iDSD and micro iDSD.

 

 

Features:

 

SIGNAL STAYS ORIGINAL: BURR-BROWN TRUE NATIVE®

Starting with the EISA award-winning Nano iDSD, the Burr-Brown chipset has become an integral part
of the iFi Audio DNA. That is True Native® playback on DSD and PCM. What does this mean? the
iDAC2 (and all other iFi DACs) will keep the integrity of the file format unchanged all the way through.
So DSD stays DSD and PCM stays PCM. From beginning to end. You hear it as the artist intended.

 


QUAD-DSD256 AND PCM384KHZ. FUTURE-PROOFED BY IFI

iFi’s unique approach to outstanding sonic performance and exceptional value for money is well-
known. From 16/44 through to Quad-Speed DSD256, the iDAC2 is able to handle all these formats
with consummate finesse.

This evokes a sonic ‘rightness’ about listening to music on the iDAC2 as there is no format
conversion or re-sampling.

 

 

CLASS A ON RCA

AMR/iFi’s roots lie in single-ended valve amplification so it is no surprise that the iDAC2 operates in
Class A.

The iDAC2’s analogue stage has two special audio grade, Elna Japan Silmic II (the highest available
grade and likely the best audio grade electrolytic capacitor money can buy). These are the same
ones used in the ‘uber’ AMR machines.

The Analogue stage also uses a discrete, Class A buffer that combines an N-Channel J-Fet and a
PNP bi-polar transistor that allows this buffer to handle loads of even 600 Ohms. This was originally
designed for the upcoming Pro range so its pedigree is beyond reproach.

 


HAVE DAC A/V AMPLIFIER? JUST CONNECT

Drawing on the popularity of the nano iDSD and the micro iDSD, the iDAC2 also features an SPDIF
output which means it is able to receive a USB signal and then convert it and output a digital SPDIF
signal to another device such as Sonos streamer or an A/V amplifier (with an onboard DAC).

As your system changes over time, the iDAC2 will simply follow suit. Performance and flexibility in
abundance.



HIGHEST-QUALITY COMPONENTS, THE IDAC2 IS NO DIFFERENT

AMR/iFi prides itself on the very best component quality: from Japan Elna Silmic II, TDK C0G
capacitors to Vishay MELF resistors, the iDAC2 has them all.

Take the DAC’s power supply including our new ‘Super Regulator®’ a rather unique shunt noise filter
which cleans the USB Power for the DAC. For the DAC there is a critical pin called reference. We
always pay much attention to this pin, however the iDAC2 already benefits from trickle-down
technology from the Pro range where we found a high-grade Panasonic Japan made Film Capacitor
for surface mounting. This combined with a smaller value C0G capacitor provides the cleanest
reference pin voltage yet. On the Audio Precision 2, the measurement graph is impressive indeed.

It is clear that behind its diminutive size beats the heart of digital and analogue circuitry that is of
unrivalled design and execution (matched only by other iFi machines).

 




Specification:


Input: USB3.0 (compatible with USB2.0)

Output (coaxial, RCA, headphones):

Coaxial: SPDIF RCA (only PCM up to 192KHz)


RCA
Output: 2.1V (+/- 0.05V) fixed
Output impedance: <39 Ohm
SNR:> 114dB (A) @ 0dBFS
Distortion: <0.0025% @ 0dBFS (100k Load)
<0.025% @ 0dBFS (600R Load)


Headphone
Output:> 350mW (2.40V) into 16R (<10% THD + N)
> 34mW (3.20V) into 300R (<0.1% THD + N)
Output Impedance: <2 Ohm
Distortion: <0.0025% (1V into 16 Ohm, 0dBFS)
SNR:> 114dBA (3.2V into 16 Ohm, 0dBFS)
Format: 44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 384KHz PCM
2.8 / 3.1 / 5.6 / 6.2 / 11.2 / 12.4MHz DSD
353 / 384KHz DXD

DAC: native DSD & DXD DAC by Burr Brown (1-DAC chip; 2-channel; 4- signal)


Filtering:
PCM: Lossless / minimum phase / standards; digital filter
DSD: Very wide / expansion / standard, analog filtering
DXD: Lossless, analog filtering

Power consumption: <1.5W
Size: 158 (L) x68 (width) x28 (H) mm
Weight: 249 grams (0.55 pounds)

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