What is the iEMatch?
Accessories
General
iEMatch iEMatch2.5
It’s designed to be a linear device, which means it’s purpose is to get the signal from point A to point B with as little alteration as possible, all the…
Read moreFAQs
What is the Ohms?
Accessories
General
Ear Buddy
It is 2.7 Ohm, if you see 1.5 Ohm this is a misprint.
Read moreWhat is the output impedance?
Accessories
General
iPower
This is limited by the cable and connector resistance, a few 100 mOhm max.
Read moreWhat is the power ratings?
Accessories
General Power
micro iCAN SE
The maximum output voltage is 10v per channel, for impedances above appx. 50 Ohm. Thus power at any give impedance is 100,000 / Resistance, e.g. 100,000 / 600= 166.6mW or…
Read moreWhat is the wire gauge specifications?
Accessories
General
Gemini3.0 Mercury3.0
24AWG and 28AWG.
Read moreWhere can I find information about USB in general?
Accessories
General
Gemini3.0 Mercury3.0
You can find USB information here: http://www.usb.org/developers/docs/devclass_docs.
Read moreWhy did iFi select -12dB and -24dB?
Accessories
General
iEMatch iEMatch2.5
Given the wide range of headphones/IEM sensitivities (e.g. from 140dB/V – a 30dB difference), we felt that as much attenuation as 24dB was needed for the most sensitive headphones. Using…
Read moreWhy do audiophile grade USB cables don’t seem to work?
Accessories
General
Gemini3.0 Mercury3.0
So-called ‘audiophile USB cables’ are often of questionable construction and are neither certified to USB standards nor do they conform to the USB specifications relevant. In this case, they often…
Read moreWhy do I hear distortion?
Accessories
General
iEMatch iEMatch2.5
The iEmatch is a purely passive device. It cannot by itself produce distortion. Any distortion observed is from the driving amplifier. Further question: But I tested mine with an IEM…
Read moreWhy doesn’t it fit?
Accessories
General
DC iPurifier2
It is due to different variations and height differences. Variations: There are around 48 different DC barrel types, therefore, each one can not be provided so you may need to…
Read moreWhy is a earth/ground required?
Accessories
General
Groundhog+
Earth/ground is needed to make shielding against all sorts of noises effective, even if the system doesn’t have noises without an earth/ground present it’s still recommended. For all mains electrical…
Read moreWhy is noise is being produced by the iPower?
Accessories
General
iPower
Check if there is an earth/ground connection in the audio system as we suspect it is missing. Due to the rules about EMC the iPower contains a so-called Y-capacitor. This…
Read moreWhy is the polarity LED always lit?
Accessories
Operation
AC iPurifier
Incorrect polarity lights up if: The polarity is incorrect. The wiring is balanced (no defined polarity). Earth and Neutral have a significant voltage between them (weak/bad earth). A simple test…
Read moreWhy not make an Apple OTG cable?
Accessories
General
OTG Cables
This is because Apple cables have a chip inside to release the digital extraction whilst Android is different, its an actual resistor to short out a signal path. Therefore one…
Read moreWill a higher power supply voltage work?
Accessories
Operation
SPDIF iPurifier
The SPDIF iPurifier is rated to tolerate normal variations of USB voltage, that is it will work reliably from 4.5V to 5.5V. The absolute maximum beyond which damage may be…
Read moreWill an OTG type C with a Mac’s USB C port?
Accessories
General
OTG Cables
As “OTG” adapters are also USB C to USB A converters for USB 2.0 only, they could be used on a MacBook, but again, you would need another cable to…
Read moreWill any audio format stream work?
Accessories
General
SPDIF iPurifier
Yes, the SPDIF iPurifier is agnostic as to what audio format is packed within the SPDIF stream, it may be DSD as DoP, DTS, Dolby digital or conventional PCM (or…
Read moreWill dual phrasing work?
Accessories
Operation
AC iPurifier
Will the AC iPurifier work with the dual phase power supply? Example: Philippines Answer: The AC iPurifier works with any mains system. For best results, the earth/ground needs to be…
Read moreWill I need ground in a battery powered system?
Accessories
General
Groundhog+
Battery products: If the DAC/amplifier and the DAP (digital audio player) both run on battery and there are no other connections, then there is no need for an earth/ground connection.…
Read moreWill IEMatch work with the GO Blu or it is intended to work with higher end DACs only?
Accessories
GO blu iEMatch iEMatch2.5
Question: I have FH3 IEM with FIIO LC RD 4.4 balanced cable. I also have Meze 99 Classic with Meze 4.4mm silver cable. So I have all my cables connector…
Read moreWill it affect local network based on power-line?
Accessories
General Operation
AC iPurifier
I’m using a local Network based on power-line communication. The slot where I would try the purifier is not equipped with a power-line communication plug but wanted to make sure…
Read moreWill it power a Raspberry Pi?
Accessories
General
iPower
Yes, it will work with the Raspberry Pi 2 or under since the Raspberry Pi 3 requires up to 3A which the iPower can not supply, however, the iPowerX can…
Read moreWill the active noise cancellation work without a ground/earth?
Accessories
Operation
AC iPurifier
The noise reduction system has two components, one that attenuates differential noise (between live and neutral) and one that attenuates common mode noise (between live/neutral & earth). Differential noise reduction…
Read moreWill the iPurifier 3 work with other USB data transfer devices?
Accessories
General
iPurifier3
The iPurifier 3 will mainly help devices that use the isochronous transfer (audio & video in essence), it may (or may not) help with devices that use bulk transfer (hard-drives…
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