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Compatibility guide

IPX IEM replacement and upgrade cables

Replacement and upgrade cables for IEMs with IPX or T2 sockets, handmade to order in Singapore and shipped worldwide with FedEx (free from USD 250).

IPX is the small snap connector on current Ultimate Ears Pro custom IEMs and 64 Audio’s Aspire universals; 64 Audio customs can be ordered with it too. Our IPX plug also fits T2 sockets, used by Westone MACH and Pro X and UE 150, 250 and 350. Choose IPX under Headphone connection. Every cable is handmade to order in Singapore and ships worldwide with FedEx.

Cables

Cables you can order with this connector

Each cable below offers IPX under Headphone connection. Prices start from the base configuration; the connector and plug you choose can change the price.

Lune Series MKIX Premium Upgrade Cable for Headphone | IEM

Headphone connection: IPX

 From $149.00 USD Tiburon MKV UP-OCC Cryo Copper Headphone/IEM Cable

Headphone connection: IPX

 From $199.00 USD Arete Series MKVI Premium Upgrade Cable for Headphone | IEM

Headphone connection: IPX

 From $109.00 USD Thera MKV UP-OCC Cryo Silver Headphone/IEM Cable

Headphone connection: IPX

 From $399.00 USD Brevity Pro 5N CGOCC-A Copper Earphone Cable

Headphone connection: IPX

 From $49.00 USD Ethos Ultra Coaxial Upgrade Cable for IEM | Headphone

Headphone connection: IPX

 From $89.00 USD Hakone MKV UP-OCC Cryo Silver/Copper Headphone/IEM Cable

Headphone connection: IPX

 From $299.00 USD Aoraki MKIV Gold Silver Tri-Hybrid Headphone/IEM Cable

Headphone connection: IPX

 From $699.00 USD Nyx3 Wireless IEM Cable · Qualcomm QCC5181

Headphone connection: IPX

 From $89.00 USD Epsilon MKIII Premium Upgrade Cable for Headphone | IEM

Headphone connection: IPX

 From $129.00 USD Istana MKII Graphene Coated Copper Hybrid Headphone/IEM Cable

Headphone connection: IPX

 From $1,099.00 USD Vanda 7N UP-OCC Cryo Copper Headphone/IEM Cable

Headphone connection: IPX

 From $249.00 USD Ethos MKVII Silver-Plated Copper IEM Cable

Headphone connection: IPX

 From $89.00 USD

Quick facts

Connection

Current UE Pro customs

IPX. UE says its current custom cables use IPX connectors.

ManufacturerUE LIVE
T2 sockets (Westone MACH, Pro X; UE 150–350)

IPX. Our IPX plug fits T2 sockets.

Null AudioNull Audio
64 Audio Aspire 1–4

IPX

Null AudioNull Audio
Option to choose

IPX

Null Audio configuratorNull Audio configurator, Headphone connection

Guides

Brands that use IPX or T2

Ultimate Ears (UE)

UE Pro customs, UE 150–350.

 Westone MACH / Pro X

T2 sockets: choose IPX.

 64 Audio

Aspire universals and customs.

 Find any IEM

Search 400+ earphones by brand or model.

Ordering

How to order

  1. Pick a cable from the list below.
  2. Under Headphone connection, choose IPX.
  3. Choose the player plug that matches the output you use most; see choosing the player plug.
  4. Not sure which socket your earphone has? Send us the model and a close photo of the socket before you order.

Before you order

Check your earphone

  • IPX and T2 sockets are both small round snap sockets; our IPX plug fits either. Not sure what yours is? Send us the model and a close photo of the socket.

Questions

Common questions

Is IPX the same as T2?

No, they are different sockets, but our IPX plug fits both. Choose IPX for a Westone MACH, Pro X or UE 150–350.

Is IPX the same as MMCX?

No. They are different sizes and do not fit each other. Choose the option your earphone has.

Keep reading

More guides

Find a cable for my IEM

Search 400+ earphones by brand or model.

 IEM connectors explained

2-pin, MMCX, IPX, A2DC and FlexiPlug.

 Choosing the player plug

3.5 mm, 2.5 mm, 4.4 mm, XLR and USB-C.

 HIFIMAN Sundara

Choose Dual 3.5 mm.

 Focal Clear, Clear MG

Choose Dual 3.5 mm.

 Sony headphones

Z1R, Z7: Dual 3.5 mm. 1A, M1ST, MV1, M1: Single 3.5 mm.

 Moondrop Chu 2

Choose Standard 2-pin.

 Shure SE215

Choose MMCX.

 Truthear Hexa

Choose Standard 2-pin.

 KZ ZS10 Pro, ZSN Pro X, EDX Pro, Castor

Choose KZ C-pin 0.75 2PIN, or the flat plug for flat sockets.

 Sennheiser HD 600 / HD 650

Choose Sennheiser HD600/650.

 Sennheiser HD 560S / HD 5x9

Choose Sennheiser HD 5x9.

 Sennheiser HD 800 / HD 800 S

Choose Sennheiser HD800.

 LETSHUOER S12, Ember, Astralis

Choose Standard 2-pin.

 7Hz Salnotes Zero, Zero:2

Choose Standard 2-pin.

 Truthear Gate, Hola

Choose Standard 2-pin.

 Moondrop Starfield, Starfield II

Choose Standard 2-pin.

 Sennheiser IE 200 / IE 300 / IE 600 / IE 900

Choose IE300/600/900. Recessed MMCX socket.

 Sennheiser IE 40 PRO / IE 400 PRO / IE 500 PRO / IE 80

Each has its own option, not standard MMCX.

 Sony IER-Z1R / IER-M9 / IER-M7 / XBA

IER-Z1R: choose Sony IER-Z1R. IER-M7: MMCX.

 Etymotic ER4SR / ER4XR / ER4P / ER2

ER4SR/XR: keyed MMCX. Older ER4P/B/S: own option.

 Shure SE846 / SE535 / SE215 / AONIC

Standard MMCX.

 64 Audio

Universals: Flat 2-pin. Aspire: IPX. Customs: IPX or Flat 2-pin, matching your socket.

 JH Audio

4-pin: JH w Bass Control. 7-pin: JH 7-pin.

 Westone MACH / Pro X

T2 socket: choose IPX. Older W and UM Pro: MMCX.

 Ultimate Ears (UE)

Current customs and UE 150–350: IPX. Older 2-pin and SL: UE/UM/QDC 2PIN Legacy.

 Campfire Audio

Most models: MMCX. Andromeda 10, Chimera: 2-pin.

 Audio-Technica

Choose A2DC. IM series: plug on request.

 AAW (Advanced AcousticWerkes)

Choose Standard 2-pin. Nebula One: fixed cable.

 Moondrop

Choose Standard 2-pin. Original CHU: fixed cable.

 qdc and CCA

KZ, CCA: KZ C-pin 0.75 2PIN or KZ / 64 Audio 0.75 Flat 2PIN. qdc: UE/UM/QDC 2PIN Legacy.

 Truthear, Kiwi Ears, Simgot and more

Most: Standard 2-pin. Some: MMCX.

 Empire Ears

Choose Standard 2-pin.

 Vision Ears

Choose Standard 2-pin.

 Noble, UM, FiR, Softears, Symphonium, Elysian

Most: Standard 2-pin. Elysian: FlexiPlug.

 JOMO Audio

Choose Standard 2-pin.

 Dunu

Most: MMCX. Some: 2-pin.

 FiiO

Choose MMCX.

 final

Choose MMCX.

 beyerdynamic

DT PRO: Mini XLR 3PIN. T1, T5: Beyer T1/T5P.

 HIFIMAN

Most: Dual 3.5 mm. HE1000, early HE400i: Dual 2.5 mm.

 Audeze

Choose Mini XLR 4PIN.

 Focal

Most: Dual 3.5 mm. Utopia: Focal Utopia.

 4.4 mm balanced cables

Every cable with a 4.4 mm plug, and which FiiO players take one.

 2-pin IEM cables

0.78 mm, recessed or flat: Standard 2-pin.

 MMCX IEM cables

Shure, Campfire, FiiO, final, Dunu: MMCX.

 KZ

Raised socket: KZ C-pin 0.75 2PIN. Flat: KZ / 64 Audio 0.75 Flat 2PIN.

 Extension cables

3.5 mm and 4.4 mm extensions, or a longer cable up to 3 m.

 USB-C IEM cables

A DAC in the plug, for phones and laptops. Lightning too.

 IEMs for gaming

A mic cable turns your IEMs into a headset.
Interconnect cables

XLR, RCA, 3.5 mm, 4.4 mm and USB, 10 cm to 2 m.

 Visit our Singapore studio

76 Playfair Road. Auditions, ear impressions, pickup.

 Sony Walkman

WM1, ZX, DMP-Z1: 4.4 mm. A series: 3.5 mm.

 AKG N40 / N5005 / K712

N40, N5005: IE300/600/900. K712, K702, K371: Mini XLR 3PIN.

 4.4 mm balanced vs 3.5 mm

Is balanced worth it? Power, output impedance and when it matters.

 Best cables for Sennheiser IE 600

Our picks for IE 600, IE 300 and IE 900.

 Best IEM cables under $100 / $200

Our picks, and every cable in each band compared.

 2-pin vs MMCX vs IPX

How they compare in use, what wears and how to tell them apart.

Sources

Sources

  1. Ultimate Ears — UE LIVE Current custom cables use IPX connectors. Accessed 17 Oct 2026.
  2. Null Audio configurator, Headphone connection Options offered on each cable. Snapshot 16 Oct 2026.

Prepared 17 Oct 2026. Not yet reviewed by Null Audio.

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