Free worldwide shipping Free FedEx Priority over USD 250 Handmade in Singapore since 2008

Compatibility guide

JOMO Audio replacement and upgrade cables

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

JOMO Audio, like us based in Singapore, builds its IEMs with 0.78 mm 2-pin sockets that we supply. Every JOMO IEM, universal or custom, including the Koyo, Nautic, Nautilus, 303H Fairlady, Serenity, Instinct, Trinity, Haka and Rev customs, takes our Standard 2-pin (0.78 mm) plug.

Cables

Cables you can order with this connector

Every cable below offers standard 2-pin under Headphone connection.

Lune Series MKIX Premium Upgrade Cable for Headphone | IEM

Headphone connection: Standard 2-pin (0.78 mm)

From ₩205,000
Tiburon MKV UP-OCC Cryo Copper Headphone/IEM Cable

Headphone connection: Standard 2-pin (0.78 mm)

From ₩274,000
Arete Series MKVI Premium Upgrade Cable for Headphone | IEM

Headphone connection: Standard 2-pin (0.78 mm)

From ₩150,000
Thera MKV UP-OCC Cryo Silver Headphone/IEM Cable

Headphone connection: Standard 2-pin (0.78 mm)

From ₩548,000
Brevity Pro 5N CGOCC-A Copper Earphone Cable

Headphone connection: Standard 2-pin (0.78 mm)

From ₩68,000
Ethos Ultra Coaxial Upgrade Cable for IEM | Headphone

Headphone connection: Standard 2-pin (0.78 mm)

From ₩123,000
Hakone MKV UP-OCC Cryo Silver/Copper Headphone/IEM Cable

Headphone connection: Standard 2-pin (0.78 mm)

From ₩411,000
Aoraki MKIV Gold Silver Tri-Hybrid Headphone/IEM Cable

Headphone connection: Standard 2-pin (0.78 mm)

From ₩960,000
Nyx3 Wireless IEM Cable · Qualcomm QCC5181

Headphone connection: Standard 2-pin (0.78 mm)

From ₩123,000
Epsilon MKIII Premium Upgrade Cable for Headphone | IEM

Headphone connection: Standard 2-pin (0.78 mm)

From ₩178,000
Istana MKII Graphene Coated Copper Hybrid Headphone/IEM Cable

Headphone connection: Standard 2-pin (0.78 mm)

From ₩1,509,000
Vanda 7N UP-OCC Cryo Copper Headphone/IEM Cable

Headphone connection: Standard 2-pin (0.78 mm)

From ₩342,000
Ethos MKVII Silver-Plated Copper IEM Cable

Headphone connection: Standard 2-pin (0.78 mm)

From ₩123,000

Quick facts

Connection

Koyo

0.78 mm 2-pin

Manufacturerjomoaudio.com: JOMO Audio Koyo
Nautilus

0.78 mm 2-pin

Manufacturerjomoaudio.com: JOMO Audio Nautilus
Trinity

0.78 mm 2-pin, flat socket

Published reviewheadfonics.com: JOMO Audio Trinity
Instinct

2-pin with a spring-loaded tensioner

Null Audioeverydaylistening.net: JOMO Audio Instinct Emerald
Every JOMO model

0.78 mm 2-pin sockets supplied by Null Audio

Null AudioNull Audio
Option to choose

Standard 2-pin (0.78 mm). It fits recessed and flat 0.78 mm sockets.

Null AudioNull Audio

Models

Which option for each model

Each row shows the option to choose.

Koyo (2026)

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

Manufacturerjomoaudio.com
Nautic Stellar (2025)

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

Manufacturerjomoaudio.com
Instinct Emerald (2024)

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

Null Audioeverydaylistening.net
Instinct Ruby (2024)

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

Null Audioeverydaylistening.net
Trinity (2019)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm, flat socket. Flat 2-pin also fits this flat socket.

Published reviewheadfonics.com
Haka (2018)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm, flat socket. Flat 2-pin also fits this flat socket.

Published reviewheadfonics.com
Flamenco (2017)

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

Null Audiotheheadphonelist.com
PLB (Pretty Little Beast) (2017)

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

Null Audioheadfonia.com
Jomo6 v2 (2016)

Choose Standard 2-pin (0.78 mm). 2-pin 0.78 mm, flat socket. Flat 2-pin also fits this flat socket.

Null Audioheadfonics.com
Samba (2016)

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

Null Audiohead-fi.org
303H Fairlady

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

Manufacturerjomoaudio.com
304 Boxster

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

Null AudioConfirmed by Null Audio
306 Supra

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

Null AudioConfirmed by Null Audio
308 Spyder

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

Null Audioaudio46.com
408H Skyline

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

Null AudioConfirmed by Null Audio
GT600 Gran Tourer

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

Null Audioaudio46.com
Nautic Gleam

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

Null AudioConfirmed by Null Audio
Nautilus

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

Manufacturerjomoaudio.com
Rev 13 (custom)

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

Null AudioConfirmed by Null Audio
Rev 5 (custom)

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

Null AudioConfirmed by Null Audio
Rev 8 (custom)

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

Null AudioConfirmed by Null Audio
Salsa

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

Null AudioConfirmed by Null Audio
Serenity

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

Manufacturerjomoaudio.com
Tango

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

Null AudioConfirmed by Null Audio

Ordering

How to order

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

  • Match the marked side of the plug to the marked side of the socket. 2-pin polarity matters.

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.

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.

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.

Sources

Sources

  1. jomoaudio.com: JOMO Audio Koyo 0.78 mm 2-pin.
  2. jomoaudio.com: JOMO Audio Nautilus 0.78 mm 2-pin.
  3. headfonics.com: JOMO Audio Trinity Flat 0.78 mm 2-pin.
  4. everydaylistening.net: JOMO Audio Instinct Emerald Spring-loaded 2-pin tensioner.
  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.