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iFi audio Pro iDSD Signature - Solid-state Tube Desktop DAC / Network Streamer / Headphone Amplifier

Standalone. Streamer. DAC/amp. All with the X-factor.
The Pro iDSD Signature is our new reference-class flagship.

Top of line DAC and so much more.
The Pro iDSD Signature is our new flagship reference class DAC and then some! The Signature edition builds on the strengths of the original, multi-award winning Pro iDSD.
It continues to cater for those who love good music delivered at the highest quality.
Use the Pro iDSD Signature as a standalone unit, a DAC/preamp, a network streamer and a headphone amplifier.

A Signature step up
The Signature takes the original Pro iDSD and pushes it even further towards perfection.

The Pro iDSD Signature has:
- a sonically darker background and a punchier bass
- upgraded power -supply components to lower the overall system noise by 300%
- precisely matched NOS GE5670s tubes
- added support for USB1.0 (PS4/PS5)
- a new aluminium remote control
- a top-of the range iPower Elite power supply included

Stacked. With tech.
The Pro iDSD Signature uses a quad-stack DAC ??4 x DACs in an interleaved configuration ??to deliver exceptional resolution.
The powerful XMOS XU216 X-Core 200 series chipset processes incoming digital data and enables the Pro iDSD Signature to provide state of the art audio support ??from MP3, 32-bit/768kHz PCM, DSD512, 2xDXD and full MQA decoding.
Thanks to the Crysopeia FPGA Digital Engine the Pro iDSD Signature brings studio grade DSD remastering to a wider audience. It can upconvert PCM and DSD files to DSD512 and DSD1024.
And all controlled from an app in the palm of your hand.

SPECIFICATIONS
Sample rates
PCM 768kHz / DSD 49.152MHz (DSD 1024) / MQA 352.8KHz/DXD (2xDXD)

Inputs
USB / AES3 (XLR) / S/PDIF (coaxial/optical combo) BNC / Ethernet / Wi-Fi / Micro SD

Filters
Bit Perfect / Bit Perfect+ / Gibbs Transient Optimised / Apodising / Transient Aligned

Gain
User-selectable: 0dB, 9dB and 18dB (headphone section)

Dynamic range
119dBA (solid-state, PCM, -60dBFS)

Output power
(16, balanced/single-ended): >4,200mW /1>1,575mW

Output voltage
(600, balanced/single-ended): >11.7V / >5.9V

Input voltage (Pro iDSD)
DC 9V/6.7A ??18V/3.35A

Input voltage (iPower Elite)
AC 85 ??265V, 50/60Hz

Power consumption
< 22W idle, 50W max

Dimensions
213 x 220x 63 mm

Net weight
1980 g