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iFi iEMatch+/4.4 Lossless Headphone Impedance Matcher Noise Reduction Attenuator Equalizer 2.5/3.5 to 4.4 mm Headphone Adapter

iFi iEMatch+/4.4 Lossless Headphone Impedance Matcher Noise Reduction Attenuator Equalizer 2.5/3.5 to 4.4 mm Headphone Adapter

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iFi iEMatch+ & 4.4mm Headphone Adapters – Optimized Balanced Listening

Refine Your Headphone Experience
The iEMatch+ series is designed to reduce hiss, optimize impedance matching, and enhance dynamics for sensitive headphones and IEMs. Ideal for use with 3.5mm, 2.5mm, and 4.4mm balanced outputs, these adapters make your listening experience cleaner, quieter, and more detailed.


iEMatch+ Features

  • Sensitivity Adjustment:

    • High: -12dB for high-sensitivity headphones

    • Ultra: -24dB for ultra-sensitive IEMs

  • Noise Reduction: 12–24dB less background hiss

  • Dynamic Range Recovery: Regains up to 2 bits of resolution lost at normal listening volumes

  • Frequency Integrity: 0% frequency loss

  • Plug & Play: Instantly improves playback when connected between source and headphones/IEMs

Premium Build

  • minZ™ helix cable: minimizes capacitance and inductance, provides intrinsic shielding

  • 6N Silver/Copper Matrix Wiring with FINAL6063-T5 aluminum-magnesium shell

  • Gold-plated PCB components (e.g., MELF resistors)

  • Gold-plated 4.4mm male/female connectors

Automatic SE/Balanced Conversion

  • Works seamlessly with TRRS balanced 3.5mm connections

  • Switch between BAL or SE modes depending on headphone and source

  • Microphone functionality disabled in SE mode when using headphones with a mic


iEMatch+ Technical Specs

  • Input Impedance: >16Ω

  • Output Impedance: <2.5Ω (High-Sensitivity), <3.6Ω (Ultra-Sensitivity)

  • Weight: 12.8g

  • Length: 116mm

  • Warranty: 12 months


4.4mm Adapter Solutions

3.5mm → 4.4mm Adapter

  • Enables single-ended 3.5mm headphones to connect to 4.4mm balanced outputs

  • Maintains single-ended connection safely without risk to amplifier

  • Dimensions: 44 x 24 x 11mm | Weight: 5.7g

2.5mm → 4.4mm Adapter

  • Converts 2.5mm balanced headphones to 4.4mm balanced output

  • Durable and robust, gold-plated contacts for optimal signal transfer

  • Dimensions: 44 x 24 x 11mm | Weight: 6.3g


Listening Benefits

  • Clearer vocals and improved detail

  • Reduced background noise and hiss

  • Greater dynamic range at safe listening levels

  • Compatible with all modern balanced devices

**iEMatch+ & Adapters – The ultimate solution for high-sensitivity headphone enthusiasts seeking quiet, accurate, and detailed balanced sound.

Want to optimise your balanced listening to the full?

The all new iEMatch4.4 – better sound, reduced hiss, clearer vocals.

The new iEMatch4.4

Optimise your balanced listening with the iEMatch4.4.

It works with all 4.4mm balanced devices. The iEMatch4.4 has both ultra (-24db) and high gain (-12db) sensitivity adjustment to help you get the most out of even your most sensitive headphones and IEMs.

Benefit from better sound, increased dynamic range, reduced background hiss and clearer vocals

Once tried, your listening won’t be the same.

Simple. Instant. Improved.

As with our previous iEMatch devices, just add between your headphones/IEMs and the output of your smartphone, DAP (digital audio player) or music source to simply and instantly improve playback.

· Regains 24/16 Bit audio resolution
· 12/24dB noise reduction
· 0% frequency loss

Change the desired volume level ‘on-the-go’ to ensure a safe, comfortable listening whilst enjoying lower background noise and maximum dynamics.

Sensitive solution

The iEMatch4.4 gives you two sensitivity settings:

· High – for high sensitivity headphones (reduces gain by 12dB)
· Ultra – for ultra sensitivity headphones (reduces gain by 24dB)

We suggest trying both to see which listening level works best with your headphones and your listening preferences.

Read our Tech Note on impedance comparisons here.

Clever custom cable

The minZ™ cable construction is a custom helix design. It is minimised in both capacitance and inductance.

This helix design also provides intrinsic shielding and protects the cable from RFI and EMI noise to ensure the cleanest possible transfer medium.

Do you know that you normally lose at least 2Bits of resolution when listening to your favourite tracks at normal listening levels?

This is because you can’t listen at full volume. Well, you can but you run the risk of damaging your hearing.

Using the iEMatch enables you to turn up the digital volume and get those 2Bits back safely.

Read our tech note to discover more.

Do your earphones suffer from pop and hiss? Sound quality just not quite ‘there’ at normal listening levels?

You need the iEMatch+

The all-new iEMatch+

Give yourself and your music a break. No more noise from background source hiss and no more listening at ridiculously high volume so you get the ‘most’ out of your music.

Use iEMatch+. It works with all 3.5mm balanced devices. Switch between single-ended or balanced operation to suit your needs.

It gives you

· better sound
· increased dynamic range
· reduced background hiss
· clearer vocals

The perfect match

Just connect between your headphones/iEMs and the output of your smartphone, DAP (digital audio player) or music source to simply and instantly improve playback.

· Regains 16.24 Bit audio resolution
· 12.24dB noise reduction
· 0% frequency loss

Adjust the desired volume ‘on-the-go’ to ensure a safe, comfortable listening level whilst enjoying lower background noise and maximum dynamics.

Sensitivity solved

The iEMatch+ gives you two sensitivity settings:

· High – for high sensitivity headphones (reduces gain by 12dB)
· Ultra – for ultra sensitivity headphones (reduces gain by 24dB)

We suggest trying both to see which listening level works best with your headphones and your listening preferences.

Wired. And then some.

The minZ™ cable construction is a custom helix design. It is minimised in both capacitance and inductance.

The minZ™ helix construction also provides intrinsic shielding and protects the cable from RFI and EMI noise.

This ensures the cleanest possible transfer medium.

(1)Do you know that you normally lose at least 2Bits of resolution when listening to your favourite tracks at normal listening levels?

This is because you can’t listen at full volume. Well, you can but you run the risk of damaging your hearing.

Using the iEMatch enables you to turn up the digital volume and get those 2Bits back safely.

Read our tech note to discover more.

(2)The iEMatch+ uses premium components throughout.

· 6N silver/copper matrix wiring with FINAL 6063-T5 aluminium-magnesium shell
· Gold plated printed circuit board with audiophile components eg MELF resisters
· Gold plated 3.5mm male/female connectors

Add in the minZ™ helix cable construction and it’s definitely game, set, iEMatch+.

(3)Balanced or Single-Ended? iEMatch+ automatically converts to give you the best listening experience using the 3.5 TRRS-Balanced headphone jack.

There is no need to switch to SE to use a single-ended headphone with a TRS (3-connection) plug. The conversion to single-ended is automatic. The switch can be set to BAL or SE with no ill effect.

If using a balanced headphone with the TRRS connection, leave the switch on BAL. If you discover a channel is missing, please switch to SE as your music source only supports single-ended operation.

If using a headphone with a microphone, please switch to SE. The microphone will be disabled.

Tech Specs

Input lmpedance:>16Ohm
Output lmpedance:<2.5Ohms(High-Sensitivity)
Weight:12.8g(0.45oz)
Total Length:116mm(4.6'')
Warranty period:12 months
specifications are subject to change without notice.
Travel accessories included:
Gold plated airplane adapter
Soft foam contoured ear plugs(-37dB)
Fabric travel pouch

Headphone Adapter 3.5mm to 4.4mm

Enable your 3.5mm single-ended headphones to work with a 4.4mm Balanced output device.

3.5 to 4.4? No problem.

The use of 4.4mm Balanced outputs is becoming more and more common, and not just in iFi products.

Fed up of not being able to use your beloved 3.5mm single-ended headphones with devices sporting a 4.4mm Balanced output?

Well, now you can. Our specialist 4.4mm to 3.5mm Headphone Adapter allows you to do just this with ease.

Please note: negative balanced signals are not connected to ground in the adapter, enabling a 3.5mm single-ended headphone connector to be converted for use with a balanced 4.4mm output without risk of damage to the amplifier. This adapter does not convert a single-ended connector into a balanced one – the connection remains single-ended.

(1)Gold-plated 3.5mm headphone socket
(2)Leaf spring mechanism
(3)Convenient and robust right-angled design
(4)Gold-plated 4.4mm balanced headphone jack

Tech Specs

Dimensions:44*24*11(1.7''*0.9''*0.4'')
Weight:5.7g(0.2 oz)
Warranty:12months

2.5 to 4.4 Adapter

Headphone Adapter 2.5mm to 4.4mm

Convert your 2.5mm headphones to fit 4.4mm Balanced outputs

2.5 to 4.4? Easy!

So, do your favourite balanced headphones have a 2.5mm jack?

More and more products are boasting the 4.4mm Balanced output, meaning your 2.5mm just won’t fit the bill!

Put those frustrations aside and get the iFi 2.5mm to 4.4mm Headphone Adapter. Strong and robust, it’s perfect for the job.

(1)Gold-plated 205mm balanced headphone socket
(2)Leaf spring mechanism
(3)Convenient and robust right-angled design
(4)Gold-plated 4.4mm balanced headphone jack

Tech Specs

Dimensions:44*24*11(1.7''*0.9''*0.4'')
Weight:6.3g(0.2 oz)
Warranty:12months

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