iFi iDSD Diablo USB DAC/Headphone Amplifier

Regular price £999.00
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Pure sonic performance

The iDSD Diablo, with its sleek new design and fiery red finish, sits proudly at the top of iFi's range of portable/transportable DAC/amps. It is built for purists – the true headphone enthusiasts who crave pure, unadulterated sonic performance, setting aside sonic tailoring as well as Bluetooth connectivity to focus on pure sonic power. 

Balanced, differential analogue circuit design reduces noise and cross-talk within the signal path by fully separating the left and right channels. The iDSD Diablo benefits from further refinements to the balanced, symmetrical dual-mono topologies with short, direct signal paths, called PureWave. Negative feedback is used in amplifier circuits to compare the output signal with the input signal and correct errors, but there are drawbacks. iFi turns the negatives into positives with OptimaLoop.

Able to drive all manner of headphones with ease, the iDSD Diablo delivers up to 5000mW of prodigious power, propulsive energy and engaging dynamics, coupled with a remarkable ability to resolve fine texture and detail. 

At the front of the unit, alongside a standard 6.3mm single-ended headphone socket, resides a 4.4mm Pentaconn output for headphones offering balanced connection. At the back are two digital audio inputs: USB-A and a S/PDIF socket that accepts both electrical and optical signals, the former via a 3.5mm connector and the latter via a supplied adapter. The USB-A input features a ‘male’ connector, rather than a typical ‘female’ port for greater mechanical integrity.  A separate USB-C charging port is also provided, along with a 4.4mm Pentaconn balanced output to connect to an external amp.

Key Features

Fully balanced 4.4mm output
Performance boosting Direct Drive and Headamp Turbo
Zero Jitter / Femto clock system upgraded for lower phase noise/jitter
Digital engine upgraded with iFi custom ultra-low noise Op-Amp Ov2028
Analogue section upgraded with iFi custom ultra-low noise Op-Amp Ov2627
Ultra-low impedance OS-CON polymer capacitors and Panasonic audio-grade ECPU film capacitors

 Technical Details

Digital Inputs
USB 3.0 type 'A' (USB2.0 compatible)
S-PDIF (3.5mm coaxial/optical)
Formats Supported

DSD DXD (768/705.6/384/352.8kHz)
Double/Single-Speed DXD
PCM (768/705.6/384/352.8/192
/176.4/96/88.2/48/44.1 kHz)
MQA (Decorder)

Frequency Response

Balanced -120dB

S-E -114dB

Dynamic Range

Balanced 120dB

S-E 114dB


Balanced 0.002%

S-E 0.001%

Headphone Max Output

Balanced >19.2V/611 mW (@ 600 Ohnn)
>12.6V/4,980 mW (@ 32 Ohm)

S-E >9.6V/153 mW (@ 600 Ohm)
>8.8V/2,417 mW (@ 32 Ohm)

Fixed Audio Output
Balanced 4.4mm
Power Consumption

Turbo 12W

Normal 5W

Eco 2W

Lithium-polymer 4800mAh
Power System
Charging via USB-C (iFi iPower included)
BC V1.2 compliant up to 1900mA charging current
Accessories Included
Square to round fibre conversion head, USB3.0 cable, USB-Type A to Type-C cable, 6.35mm to 3.5mm converter, 5.5* 2.1 female to Type-C power cable, 4.4mm to Twin XLR cable, iPower 5v (and accessories), iTraveller carry case
Dimensions  166 x 72 x 25 mm
6.5" x 2.8"x 1.0"
Weight 330g (0.73 lbs)
Warranty 1 year


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