Frequently Asked Questions

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Accessory --- AC iPurifier (22) Check our videos! http://tiny.cc/v18d5y

Balanced wiring - Any problems arise with use of AC iPurifier?

Can it be plugged into pure sine wave output or same wall outlet as UPS?

Compliant with safety standards?

Digital equipment - Will this help against other none audio devices?

Does it sound better if in different polarity states?
Accessory --- DC iPurifier 2 (11)

24v+ DC power-supply, will it work?

Can I invert the polarity?

Can I use this device to split and feed to devices?

Can it detect its input power supply?

Can it detect what is plugged into it?
Accessory --- Ear Buddy (1)

What is the Ohms?
Accessory --- GE5670 / NOS6922 vacuum tube (4)

How is the GE5670 compatible with the 6922?

NOS 6922 - Rated at 300V, any higher will harm tube

Specifications aren't the same for 5670 and 6922 vacuum tubes?

Tube background information: 2C51 (GE5670 family)
Accessory --- Groundhog + (7)

Earth/ground - Why is it required?

Earth/ground - Will I need to implement one in a battery powered system?

Ground loop - Is that multiple grounds are in the circuit?

Grounding - Class 1 and Class 2

Grounding - Class 2 and Class 3 devices
Accessory --- iDefender 3.0 (5)

Does it isolation or suppress?

Does it keep the shield effective against EMI/RFI as ground is disconnected

How does it break ground?

How much current is supplied if no external power?

USB powered DAC still powered without external power?
Accessory --- iEMatch (3.5mm & 2.5mm) (10)

70% minimum impedance value & 5.6 ohm value (detailed)

Crosstalk?

I hear distortion?

Impedance adjuster?

Impedance matching circuits
Accessory --- iPower (34)

15v - Max and continuous rating?

5v - Will it work with Stax?

5v iPower - Drops in voltage with Raspberry Pi?

5v iPower - Ripple/noise figures

Adapters - Please explain
Accessory --- iPurifier 3 (13)

Bi-directional, will it work in both ways?

Compatibility problems with USB?

Does it affect signal levels?

How much power does this draw?

I added the iPurifier 3 with the original iUSBPower Micro, but why?
Accessory --- iRack (2)

How many iFi products can this stack?

Is this product stable?
Accessory --- iSilencer 3.0 (2)

Does the iSilencer draw power?

My unit gets warm, is that OK?
Accessory --- Mercury & Gemini (8)

'Audiophile grade' USB cables don't seem to work?

Gemini - How does it work?

Gemini - Internal pins, how are they wired?

How to distinguish between the 2 types of connectors? EAN?

Metal oxide silencers, what do they do?
Accessory --- OTG cable (3)

Can I use the OTG C with a Mac USB C port?

How OTG cables work

OTG - Can they be used like normal USB cables?
Accessory --- SPDIF iPurifier (15)

Audio stream - Will any format work?

Beneficial to add dual SPDIF iPurifiers together?

Can the SPDIF iPurifier be fed with higher voltage?

Does the SPDIF iPurifier have same technology as the iPurifier?

Galvanic isolation, how is this done and can it be removed?
Downloads (5) Here you'll find downloads relating to software, DSD tracks, tips & more.

Foobar - Native DSD support

MP3 to DSD Conversion - JRMC & Foobar2K

Native DSD on JRMC 19/20 (ASIO)

Need to test DSD256 ? Here are free 3 tracks from Japan

Relife! Uncompress your compressed audio tracks
General support (18) Here you'll find questions related to general support for all iFi products.

32 bit integer - Is this supported?

3D - Isn't it just a cross-feed?

Burn-in - Is it really a myth or the real deal?

DAC Support for DSD

DAC's without digital filter switch, what do they use?
Micro --- iCan SE (14)

(Both devices) - 3.5mm or RCA, what is best?

(Both devices) - Burn-in period, how long do iFi suggest?

(Both devices) - Experiencing a hum? Please read these safety standards

(Both devices) - Increasing the gain, does this increase voltage output?

(SE) --- 15v upwards, can I connect higher power supply?
Micro --- iDAC 2 (9)

Active noise cancellation, is it inside the iDAC 2?

Bit-perfect problems but other filters OK?

Can I use headphones & RCA at same time?

Can't control digital volume via keyboard?

Compatible with iPhone / Android devices?
Micro --- iDSD Black Label (78)

1 second fade-in / miss on track - why is this?

3D / XBass, automatic switching?

5v charging, how flexible is it?

Battery - Charging not possible (battery circuit disconnect) but now it does after reconnecting?

Battery - How the battery works
Micro --- iLink (12)

Do iFi optical/Toslink units handle 192kHz?

Is DoP possible over SPDIF with iFi products?

Is it possible to handle DTS to SPDIF?

J.E.T - Either stutters or does not work with my DAC?

Outputs - Will I cause damage if I use the incorrect output (coaxial)?
Micro --- iPhono (1 & 2) (22)

(iPhono 1) - How do I set this up?

(iPhono 2) - How do I set this up?

100pF for MM, does it apply to MC?

Calculating multiple resistor combinations?

Can I use long RCA cables or will cause problems?
Micro --- iTube 2 (21)

Amperage consumption at 12v (car)

Audio clips on specific tracks?

Burn-in - How long do you recommend?

Can it drive external transformers volume controls (TVCs)?

Car - Can I use this?
Micro --- iUSB3.0 (23)

Charging - Possible to charge an iDSD micro or another device?

Does it handle all audio formats?

How does IsoGround lower extra noise?

How is it possible to have low amperage input whilst higher amperage via USB output?

Is it OK to leave on 24/7?
MQA - Master Quality Authenticated (6) Check our videos for MQA setup: http://tiny.cc/1gno5y

192kHz files are not playing?

Does a Renderer / Decoder yield same end result?

MQA - When playing MQA volume jumps but non-MQA is OK?

There is a gap during MQA playback?

TIDAL & Pass-through, what does it mean?
Nano --- iDSD (LE & original) (14)

Battery - How does it work?

Battery - How long will it last before expiring?

DC offset on RCA?

I'm experiencing clicks when I turn the volume?

Is it possible to use the iDSD nano with a headphone splitter?
Nano --- iDSD BL (8)

Battery - If its flat can it still be used with a portable source?

Battery - It doesn't last 10 hours?

Does it have a sleep mode or cut off if no signal is present?

Does it run Class A?

Is it possible to leave it on 24/7?
Nano --- iGalvanic 3.0 (12)

Cable - Why poor quality is not recommended?

Current - Drawing more than normal?

Current - How much does it draw by itself?

Doesn't recognised USB device after restarting?

Ground-link - It works in either up or down mode but not center?
Nano --- iOne (1)

Bluetooth latency
Nano --- iUSB3.0 (6)

Does it handle all types of audio formats?

Is it OK to remain on 24/7?

Is the USB output quieter than a the 9v iPower that powers it?

My DAC is self powered but will the iUSB3.0 still be beneficial?

White cable - What is its purpose?
OS - Android (5) Check our videos about audio tutorials: http://tiny.cc/1gno5y

Android - Is there a standard for USB audio?

Compatibility - Will it work with iFi?

Problems with Android?

USB C - Will this work?

Why does my other DAC work with all Androids but not the iFi?
OS - Apple - iOS (7) Check our videos about audio tutorials: http://tiny.cc/1gno5y

Can I charge my phone and listen to audio at the same time?

Compatibility - Will it work with iFi devices?

iPad outputs fixed sampling rate?

No detection? Please check.

No function - Accessory is not supported?
OS - Apple - OSX (6) Check our videos about audio tutorials: http://tiny.cc/1gno5y

Disabled volume?

DSD - Why is there a limit?

Thunderbolt - Is audio handled differently through this?

Thunderbolt - Is there a device similar to iPurifier for Thunderbolt?

USB C - How can I use iFi products with this?
OS - Linux (5)

Connectivity

DSD files, send as DoP only why is this?

Is DSD512 possible on Linux?

Linux - OS, do we support it?

USB Audio Class 2.0
OS - Windows (11)

Any limitations if not able to access the driver for Windows? (built in Windows)

Any optimal settings for sound properties?

Buffer, what does it mean?

Driver says virus is found?

DSD512 - How is it transmitted?
Pro --- iCAN (40)

Crosstalk - I hear this?

DC iPurifier, shall I use it with the iCan Pro?

DC loop out - what does it do?

Do balanced connections contain ground/earth?

Does Solid State circuitry use Tube-state circuitry design?
Pro --- iDSD (42)

AirPlay is present for Apple, what about Android?

ALAC files via APP seem to play weird?

Any software to encode DSD files to DoP for USB hard drive?

App - Is MQA possible?

Apps - Is there alternatives to Muzo?
Pro --- iESL (8)

6.3mm to 4-pin XLR - Can this be used from an unbalanced amplifier?

HDMI - Can I use my own cable?

LED - Colour is green but says orange?

Output voltage via 4-pin XLR?

Recommended output of headphone amplifier into ESL?
Retro --- LS3.5 (3)

Absorption foam

Are the LS 3.5 horn loaded?

What is the characteristic impedance?
Retro --- Stereo 50 (37)

All format LED's remain lit?

Bluetooth is not working / pairing?

Burn-in: Is it a myth or for real?

Earth / ground pin is missing from my machine?

Electrical safety - What has the Retro undergone?
Software - Audirvana (3)

Audirvana - How DSD is streamed

Audirvana - Native DSD

I hear ticks and clicks using Audirvana?
x Series --- xCan (15)

2G / 3G - Interference when using as portable device?

Are the XBass ll and 3D all DSP or ASP?

How do I select modes on the xCan?

How long does battery last on Bluetooth?

How to burn in?
x Series --- xDSD (19)

All the LED's light up when charging?

Bluetooth pairing on Apple devices not always the best?

Bluetooth remains connected (blue) but not pairing?

Can I charge and play at the same time?

Charging - Is quick-charge enabled?

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