iFi AUDIO iEMatch Micro Headphone Matcher

SKU: IFIEMATCH

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Review Summary

2017-04-06T13:50:52

Rated 5 out of 5

ESSENTIAL device for all IEMs!

I've been looking for a product like this for a long time. I'm a professional musician and I've been using IEMs (in-ear monitors) for almost 20 years. The problem is that IEMs take very little amplifier power to make them dangerously loud and practically all professional (and even non-professional) headphone outputs are designed to drive headphones that need a lot of amplifier power to attain usable volume. Using IEMs with typical headphone outputs means your volume knob is positioned at just about it's lowest setting. This means that most of the room you have left to turn up the volume will be WAY too loud and can cause instant permanent hearing damage. When the volume knob is that low (and you're still getting more than enough volume) means that you will likely hear noise (hiss, hum, etc). The IFi IEMatch it easily solves these problems. You can turn the volume knob up, the levels are safe, and the noise goes away. I believe this an ESSENTIAL device to use with any IEMs for any use - professional or recreational. Now I can plug into my high-powered headphone outputs in my mixers, dedicated headphone amps, even my iPhone, and have the volume knob set at maximum and still have very safe listening levels (90 dB RMS) using the Ultra Sensitivity setting. If I ever need more volume, the High Sensitivity setting allows this and still keeps the output from allowing dangerous levels get to your ears. The IEMatch allows the monitoring equipment you use to operate in the way it was designed by allowing proper gain staging. FINALLY a device like this has been made available for consumers (perhaps you can make your own in-line resistors but you really have to know what you're doing; I don't). I have tried this with the Sensaphonics 3D Ambient system and JH Audio JH16PRO IEMs with amazing results. Audio quality is unaffected and is totally transparent to my ears. I did not try the balanced output feature or the airplane adapter. The build quality is excellent and feels robust for an adapter. For $ I see it as insurance for the safety of your hearing because as soon as it's damaged, it's damaged forever. Highly recommended for any and all IEMs and ear buds.

TODD W.

iFi AUDIO iEMatch Specifications

About iFi AUDIO iEMatch

The iEMatch solves the bane of headphone listening by removing hiss and improving dynamics. As most IEMs and headphones are too loud at even half the volume level, listening enjoyment is always curtailed. No more with the iEMatch in the signal path.

• High/Ultra sensitivity
• Balanced or Single-Ended
• 6N silver copper matrix
• 6063-T5 aluminum-magnesium alloy
• Recover the dynamic range
• Maximize sound quality
• Ultimate signal transfer
• Aircraft-grade alloy

Use the iEMatch when the headphones/in-ear monitor (IEM) is either too loud and/or there is excessive hiss from the music source. From Smartphones to airplane in-flight entertainment systems, powerful headphone amplifiers, the iEMatch improves musical enjoyment by:

• Background noise - significantly reduced
• Dynamic range - more open, transparent
• Volume control - increased usable range

The solution? Add the iEMatch in-between the headphone and the amplifier. Set to high or ultra-sensitivity, sit back and enjoy the music.

High or Ultra Sensitivity
When listening to music, 'better dynamics' is preferable. Or more precisely, a wider 'Dynamic Range' to allow the full openness of a recording; from the upper treble of a cymbal to the deepest bass rumble of a kettle drum to shine through. Defined as the difference between the maximum usable sound level and background noise level. Usually, a higher 'dynamic range is better' as there is more music to enjoy and less noise to annoy.

Having very sensitive (very loud) headphones means both the self-noise of the source AND the sound level is boosted. This is far from desirable. And to add insult to injury, the sound volume must be reduced to get comfortable listening levels. What is left is more noise and less dynamic range! With Headphones, especially those that significantly reduce background noise (IEM, noise-reducing etc.) excessive levels of electronic background noise quickly become annoying, so noise should always be kept as low as possible.

It literally defeats the object of building a system around an expensive high-resolution headphone amplifier when the volume must be backed off so much that the resulting background noise is so high, quality is reduced to below CD or MP3 audio quality. By using iEMatch one can reclaim 12 or 24dB lost dynamic range; as needed to get the most enjoyment from the source; from modern high-resolution recordings down to MP3, the difference is there to be heard.

Balanced or Single-Ended for 3.5mm
AMR/iFi would like to use the iEMatch to introduce its proposed new industry standard for single-ended or balanced operation. The 3.5 TRRS-Balanced headphone jack. There is only ONE option that makes sense, in a commonsensical context. The 3.5mm TRRS Jack is widely adopted in Smartphones and connectors, both plugs and sockets are easily available. Having 4 connections (like the 4-pin XLR), it is ideal for balanced headphones. Headphones may be fitted with TRRS Jack and a switch to alternate between unbalanced mode (even with microphone) for direct connection to a Smartphone and to balanced mode for use with suitably-equipped DAP/DAC/Headphone Amplifiers.

The 'TRRS-Balanced' system by iFi provides a way to select the TRRS plug to offer either a balanced connection or a single-ended one. The iEMatch uses 3.5mm TRRS connections on both ends and is fully-balanced, so it takes full advantage of the balanced wiring in suitably-equipped headphones. If the attached headphone is single-ended without microphone, iEMatch is automatically converted to unbalanced operation. For any unbalanced source with a microphone connection or any unbalanced headphone with a microphone, simply switch the TRRS-Balanced selector to 'SE' and convert iEMatch to unbalanced operation.

Precision, top-notch components
The iEMatch is packed using premium components from 6063-TS aluminum-magnesium alloy through to the signal transfer cable which is a 6N silver copper matrix. The whole is even better than the sum of the parts - it just makes for the most transparent, enjoyment of music.

Ready for travelling all over the world
Included in the iEMatch packaging are; a velvet pouch, gold-plated airplane adapter and memory-foam contoured ear plugs (-37dB) for peace and quiet when travelling. iFi try to think of all scenarios.

What's in the box:

  • iFi iEMatch Micro Headphone Matcher
  • Velvet Pouch
  • Gold-Plated Airplane Adapter
  • Memory-Foam Contoured Ear Plugs (-37dB)
  • iFi 1 Year Parts and Labor Warranty