iFi Audio Pro iDSD Reviews

Our flagship Pro iDSD is for those who like music in all its flavours, especially high spec.

It’s a standalone unit, a streamer and a DAC/amp.

And with the option to listen in solid-state, tube or tube+, there’s something for everyone.

Sample rates:PCM up to 768kHz
DSD up to 49.152MHz (DSD 1024)
DXD and double-speed DXD (2xDXD)

Inputs:USB (required for DSD, DXD and sample rates above 192KHz)
AES3 (XLR – single link)
S/PDIF (coaxial/optical combo)
BNC multifunction (S/PDIF in or sync input)

Outputs:Balanced XLR at 4.6V (+15.5dBu – HiFi) or 10V (+22dBu – Pro)
Single-Ended RCA at 2.3V (HiFi) or 5V (Pro)
Headphones 6.3mm & SE 3.5mm Jack at 0.55V/2.1V/5V
Headphones BAL 2.5mm/4.4mm Jack at 1.13V/4.6V/10V
Headphones out 1,500mW RMS X 2 @ 64 ohm, 4,000mW max. 2 X @ 16 Ohm

Headphone Output Impedance:Single-Ended (S-BAL): < 1 Ω
Balanced: < 2 Ω

Volume control:Balanced (6-gang) Alps potentiometer, motorised with IR remote control
XLR/RCA outputs can be selected as fixed level or adjusted
6.3mm headphone jack is always adjusted

Other Functions:Various digital and analogue filters can be selected for DSD and PCM up to 384KHz

PCM Filters:Bitperfect 44.1 – 192kHz, always used for 352.8 – 768kHz
Bitperfect + 44.1 – 96kHz
Gibbs Transient Optimised 44.1 – 384kHz
Apodising 44.1 – 384kHz
Transient Aligned 44.1 – 384kHz

DSD filters:fixed 3rd order analogue filter @ 80kHz with correction for DSD’s -6dB gain

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

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

Output powerPro iDSD 4.4mm socket. (16 Ω, balanced/single-ended): >4200mW /1>1,575mW

Pro iDSD 2.5mm socket. (16 Ω, balanced/single-ended): >4000mW /1>1,500mW

Output voltage(600Ω, balanced/single-ended): >11.2V / >5.6V

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

Input voltage (iPower+):AC 85 – 265V, 50/60Hz

Power consumption:< 22W idle, 50W max.

Dimensions:213 (l) x 220 (w) x 63 (h) mm

Weight:1980g (4.37 Ibs)

Manufacturer's product page: https://ifi-audio.com/products/pro-idsd/