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iFi audio Micro iDSD Signature Supercharged USB DAC And Headphone Amplifier
The micro iDSD Signature handles up to PCM 768, DSD 512, 2xDXD and MQA. All this is done natively. Both PCM and DSD remain ‘bit-perfect’. Based around two Burr-Brown DAC chips in a custom ‘interleaved’ configuration, the digital engine has four pairs of differential signals – two pairs per channel.
This means:
- a lower noise floor
- improved channel separation
- finer musical detail and micro-dynamics
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Technical Specification
In/Out:
- Digital Inputs:
- USB 3.0 type A “OTG” Socket (USB2.0 compatible/with iPurifier® technology built-in)
- S/PDIF (3.5m coaxial/optical)
- Output:
- Balanced: 4.4mm
- SE: 6.3mm/RCA
DAC:
- DAC: Bit-Perfect DSD & DXD, PCM DAC by Dual-core Burr Brown
- Clock: Ultra low jitter GMT Femtosecond Clock
- Formats:
- DSD512/256/128/64,
- Octa/Quad/Double/Single-Speed DSD,
- DXD (768/705.6/384/352.8kHz),
- Double/Single-Speed DXD
- PCM (768/705.6/384/352.8/192/176.4/96/88.2/48/44.1kHz)
MQA
- Filters:
- DSD: Extreme/Extended/Standard Bandwidth
- PCM: Bit-Perfect/Minimum-Phase/Standard
- DXD: Bit-Perfect Processing
Line Output:
- Dynamic Range (Line): >117db(A)
- THD & N (0dBFS Line): <0.003%
- Output Voltage (Line): >2V
- Output Impedance: <240Ω
- Jitter (correlated): Below AP2 test set limit
Headphone Power Output:
- Turbo Mode:
- Power (max): 10.0V/4,100 mW
- Power (continuous): >1,560 mW @ 64 Ohm / >166 mW @ 600 Ohm
- Normal mode:
- Power (max) 5.5V/1,900 mW
- Power (continuous): >100 mW @ 300 Ohm / >950 mW @ 32 Ohm
- Eco mode:
- Power (max) 2.0V/500 mW @ 8 Ohm
- Power (continuous) >250 mW @ 16 Ohm
- Dynamic Range (HP): >115dB(A) (Eco Mode, 2V Out)
- THD &N (HP 500mW/16R): < 0.008%
- Output Voltage (HP): >10V (Turbo Mode)
- Output Impedance: <1Ω (iEMatch not engaged)
- Maximum Output Power: 4,100 mW @ 16 Ohm Load
- Continuous Output Power: 1,000 mW @ 64 Ohm Load
Spec:
- Battery: Lithium-polymer 4800mAh
- Power System: Charging via USB-C, BC V1.2 compliant up to1500mA charging current
- Dimensions: 172 x 67 x 27 mm / 6.8" x 2.6" x 1.1"
- Weight: 295 g (0.65 Ibs)
Warranty: 1 year
What Is In The Box
- iFi audio Micro iDSD Signature Supercharged USB DAC And Headphone Amplifier
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Manufacture Description
Out of this world
Sporting a Space Blue finish and powered by a built-in rechargeable battery, the micro iDSD Signature is a transportable DAC/headphone amp that’s ready for anything that the universe throws at it.
Battery power means it’s ultra-clean with ultra-stable DC power and avoids the pitfalls of AC mains – dips, spike and noise-inducing RFI/EMI pollution.
And with up to 12 hours playing time, depending on the headphones and performance mode engaged, it feels like you could take it to the moon and back.
Precision personified
Extensive jitter-eradication technologies are applied to the digital engine, including iFi’s GMT (Global Master Timing) femto-precision clock and the intelligent memory buffer.
The micro iDSD Signature also comes with iFi’s GTO (Gibbs Transient Optimized) digital filter installed. And exclusive firmware available on our website means you can change digital filters as you wis
Versatile sonic tailoring
One size no longer fits all when it comes to quality listening.
The digital stage of the micro iDSD Signature features a variety of filter settings:
‘Standard’, ‘Minimum Phase’ and ‘Bit-Perfect’ for PCM files ‘Standard Bandwidth’, ‘Extended Bandwidth’ and ‘Extreme Bandwidth’ for DSD The amp stage also has three settings to adjust power and gain. As well as ‘Normal’, you get
‘Turbo’ to ramp up the level of drive for current-hungry headphones ‘Eco’ to dial down the power to suit high-sensitivity in-ear monitors and/or to extend battery life Complete this with our iEMatch technology that adjusts output level and our XBass+ and 3D+ signature sonic tweaks, and the micro iDSD Signature is flexible to the max.
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