iFi Audio Micro iDSD Black Label portable headphone amp, preamp, and DAC

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iFi Audio Micro iDSD Black Label

I’m often asked by headphone newcomers to recommend headphone amp/DACs that are ‘not too expensive’, but that also offer very serious high performance. Judging by the performance I observed from iFi’s Micro iDSD Black Label, it perfectly fits that bill—and then some. 

TECHNICAL SPECIFICATIONS

Type: Battery/USB-powered headphone amplifier, preamplifier, and high-res DSD and DXD-capable DAC

Inputs: Combination coaxial/optical S/PDIF input/output jack, USB-2.0 ‘OTG’ port with built-in iFi iPurifier technology, and One 3.5mm stereo analogue input.

Outputs: Coaxial S/PDIF jack (uses ‘Intelligent S/PDIF jack for input and output), 6.35mm analogue headphone output jack, One stereo analogue output (via RCA jack) with switch selectable fixed or variable-level outputs, and One USB-type ‘Smart Power’ socket suitable for charging iPhones

Digital formats and data rates supported (all native): 

DSD: 512/256/128/64 at rates of 24.6/22.6/12.4/11.2/6.2/5.6/3.1/2.8 kbps

DXD: 2×/1× at rates of 768/705.6/384/352.8 kHz

PCM: Supports rates of 768/705.6/384/352.8/192/176.4/96/88.2/48/44.1kHz

Filters:

DSD: three switch-selectable analogue filters (Extreme/Extended/Standard Range)

DXD: fixed analogue filter (Bit-Perfect Processing)

PCM: three switch-selectable digital filters (Bit-Perfect Processing/Minimum Phase/Standard)

DAC Dynamic Range: >117 dB

DAC Distortion: < 0.003% THD + Noise 

Jitter: Below AP2 test set limit

Headphone Amp Power Output: three switch selectable modes, as below.

Turbo Mode: 1560 mW @ 64 Ohms, continuous
166mW @ 600 Ohms, continuous
10V/4000 mW @ 16 Ohms, peak

Normal Mode: 950 mW @ 64 Ohms, continuous
100mW @ 300 Ohms, continuous
5.5V/1900 mW @ 16 Ohms, peak 

Eco Mode: 250 [email protected] 16 Ohms, continuous
2V/500 mW @ 8 Ohms, peak

Headphone Amp Dynamic Range: >115dB

Headphone Amp Distortion: <0.008% THD + Noise

Dimensions (H×W×D): 28 × 67 × 177mm

Weight: 310 gams

Price: £549

Manufacturer Information: iFi Audio

URL: www.ifi-audio.com

Distributed by: Select Audio

URL: www.selectaudio.co.uk

Tel: +44(0)1900 601954

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