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Compatibility guide

Dunu replacement and upgrade cables

Replacement and upgrade cables for Dunu, handmade to order in Singapore from USD 49 and shipped worldwide with FedEx (free from USD 250).

Most Dunu IEMs, including the Zen, Zen Pro, Falcon Pro and Vulkan, use MMCX (Dunu’s Catch-Hold MMCX). Choose MMCX. Some models, such as the Titan S and DN242, use 0.78 mm 2-pin; the table shows each one.

Cables

Cables you can order with this connector

Every cable below offers MMCX under Headphone connection.

Lune Series MKIX Premium Upgrade Cable for Headphone | IEM

Headphone connection: MMCX

 From £114.00 Tiburon MKV UP-OCC Cryo Copper Headphone/IEM Cable

Headphone connection: MMCX

 From £152.00 Arete Series MKVI Premium Upgrade Cable for Headphone | IEM

Headphone connection: MMCX

 From £84.00 Thera MKV UP-OCC Cryo Silver Headphone/IEM Cable

Headphone connection: MMCX

 From £304.00 Brevity Pro 5N CGOCC-A Copper Earphone Cable

Headphone connection: MMCX

 From £38.00 Ethos Ultra Coaxial Upgrade Cable for IEM | Headphone

Headphone connection: MMCX

 From £68.00 Hakone MKV UP-OCC Cryo Silver/Copper Headphone/IEM Cable

Headphone connection: MMCX

 From £228.00 Aoraki MKIV Gold Silver Tri-Hybrid Headphone/IEM Cable

Headphone connection: MMCX

 From £533.00 Nyx3 Wireless IEM Cable · Qualcomm QCC5181

Headphone connection: MMCX

 From £68.00 Epsilon MKIII Premium Upgrade Cable for Headphone | IEM

Headphone connection: MMCX

 From £99.00 Istana MKII Graphene Coated Copper Hybrid Headphone/IEM Cable

Headphone connection: MMCX

 From £837.00 Vanda 7N UP-OCC Cryo Copper Headphone/IEM Cable

Headphone connection: MMCX

 From £190.00 Ethos MKVII Silver-Plated Copper IEM Cable

Headphone connection: MMCX

 From £68.00

Quick facts

Connection

Zen Pro, Falcon Pro, Vulkan

Catch-Hold MMCX

Retailer listingheadphones.com: Dunu Zen Pro
DN242

0.78 mm 2-pin, recessed; optional MMCX version

Retailer listinglinsoul.com: Dunu DN242
Kaoru

FitEar connector

Retailer listinglinsoul.com: Dunu Kaoru
Option to choose

MMCX

Null Audio configuratorNull Audio configurator, Headphone connection

Models

Which option for each model

Each row shows the option to choose.

DN242 (2025)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm, recessed socket. Also sold with MMCX sockets; check yours.

Retailer listinglinsoul.com
Kaoru (2025)

Choose FitEar. Own connector.

Retailer listinglinsoul.com
SA6 EST (2025)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm.

Retailer listinglinsoul.com
DK3001BD (2024)

Choose MMCX. MMCX. Also sold with 2-pin sockets; check yours.

Retailer listinglinsoul.com
Kima 2 (2024)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm.

Retailer listinglinsoul.com
Titan S2 (2024)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm.

Retailer listinglinsoul.com
Alpha 3 (2023)

Cable is not detachable. Fixed cable.

Retailer listinglinsoul.com
Kima Classic (2023)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm.

Retailer listingaudiophonics.fr
SA6 MKII (2023)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm.

Retailer listinglinsoul.com
Talos (2023)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm.

Retailer listinglinsoul.com
Falcon Pro (2021)

Choose MMCX. MMCX.

Published revieweverydaylistening.net
Titan S (2021)

Choose Standard 2-pin (0.78 mm). 2-pin.

Retailer listinglinsoul.com
Vulkan (DK-X6) (2021)

Choose MMCX. MMCX.

Retailer listinglinsoul.com
Zen Pro (2021)

Choose MMCX. MMCX.

Retailer listingheadphones.com
Studio SA6 (2020)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm.

Retailer listingheadphones.com
Zen (2020)

Choose MMCX. MMCX.

Retailer listingaddictedtoaudio.com.au

Ordering

How to order

  1. Pick a cable from the list below.
  2. Under Headphone connection, choose MMCX, or Standard 2-pin (0.78 mm) for the 2-pin models.
  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

  • Look at the socket: MMCX is a round snap-on socket, 2-pin has two pin holes.

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.

 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.

 IPX IEM cables

64 Audio Aspire, UE customs, Westone T2: IPX.

 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. headphones.com: Dunu Zen Pro Catch-Hold MMCX.
  2. linsoul.com: Dunu DN242 Recessed 0.78 mm 2-pin; optional MMCX version.
  3. linsoul.com: Dunu DK3001BD MMCX and 2-pin versions.
  4. linsoul.com: Dunu Kaoru FitEar connector.
  5. 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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