Free worldwide shipping over USD 250 Handmade in Singapore since 2008 Fits 400+ IEMs

Null Audio tools

Find the right cable. Then make it yours.

Match a cable to your IEM or headphones, tune the sound with our hardware EQ, or design custom monitors. Each tool works on its own, with no account needed.

Every tool, in one place.

Start with what you own. The finders check the connector for you, so the cable you order fits the first time.

  • 01 Interactive

    Find My IEM Cable

    Pick your in-ear monitor from more than 400 models. We show the connector it uses and the cables that fit it.

    • 400+ IEMs
    • 2-pin, MMCX, IPX, A2DC
    • Connector checked
    Find your IEM
  • 02 Interactive

    Find My Headphone Cable

    Choose your headphones and see which connectors they need on each side, then the cables we build for them.

    • 170 headphones
    • Single or dual entry
    • 3.5, 2.5 mm, Mini XLR
    Find your headphones
  • 03 Hardware EQ

    PEQ Studio

    Our parametric equalizer for the Ethos Ultra USB-C DAC. Shape five bands, write the EQ into the DAC, and your tuning goes with the cable to iPhone and Android alike.

    • 5 bands
    • Presets and custom EQ
    • Chrome, Edge or Android
    Open PEQ Studio
  • 04 3D designer

    Custom IEM Builder

    Design an AAW custom in-ear monitor and see it in 3D as you choose the shell, faceplate, artwork and logo.

    • Shells and faceplates
    • Live 3D preview
    • Upload your artwork
    Start building
  • 05 Guide

    IEM Connectors Explained

    Flat or recessed 2-pin, MMCX, IPX, A2DC and the rest: how to tell them apart and which one your IEM needs.

    • 2-pin vs MMCX
    • Recessed sockets
    • Photos of each
    Read the guide
  • 06 Guide

    Choosing the Player Plug

    3.5 mm, 2.5 mm or 4.4 mm balanced: which plug suits your player, and when a modular plug makes sense.

    • 3.5 / 2.5 / 4.4 mm
    • Balanced vs single-ended
    • Modular plugs
    Read the guide