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64 Audio A3e Triple Drivers Custom IEM Earphones

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  • Triple driver custom-fit in-ear monitor (IEM)

  • Neutral and balanced tuning with surprisingly transparent and musical sound

  • 1 High, 1 Mid, 1 Low driver configuration with 3-way crossover

  • Modular apex technology relieves air pressure providing superior sound

  • Fully customizable and custom-built from unique ear impressions

64 Audio A3e Triple Drivers Custom IEM Earphones

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64 Audio A3e

Introducing the 64 Audio A3e, an extremely versatile IEM with impressive clarity and warmth for any instrument or genre. With its neutral and balanced tuning, the A3e delivers a surprisingly transparent and musical sound. Its 3-driver design possesses a spacious and detailed soundstage, making it a perfect match for vocalists, guitarists, keyboardists, and many other instruments.

Featured in the A3e is apex, a pneumatically-interactive vent that relieves fatigue-causing sound pressure inherent in other earphone designs. Also featured is LID technology, ensuring the A3e maintains its sound signature regardless of the source - perfect for musicians and music lovers plugging into a variety of equipment.

Like all 64 Audio Custom IEMs, the A3e monitors are customizable and are hand-built from your uniquely shaped ear impressions. They are inherently noise isolating and are designed to work with a wide range of personal audio devices as well as all hard-wired and wireless monitor systems.

Spacious and detailed sound.


64 Audio A3e

Custom Ear Impressions
A great-fitting pair of custom in-ear monitors begins with a great pair of ear impressions, which are taken by a hearing professional called an audiologist. In the ordering process we will put you in touch with with your nearest UK audiologist to get the process started.

Custom Design Options
All 64 Audio custom IEMs are hand-built to order and fully customisable. Bespoke options include faceplate colour and artwork, cable length and colour, Apex modules, storage case customisation, and more - the choices are endless. 

Custom Monitor Ordering Process
It only takes a few steps to get your personal custom moulded in-ear monitors made. The estimated built time for custom moulds is around 3 weeks after the ear impressions are received by 64 Audio. Click the link to get the ordering process for getting your personal custom monitors started.



  • Transducer Type: Three precision balanced armature drivers
  • Transducer Configuration: 1 low, 1 mid, 1 high
  • Freq. Response: 20Hz - 20kHz
  • Sensitivity: 109dB/mW
  • Impedance: 11Ω @ 1kHz
  • Crossover: Integrated 3-way passive crossover
  • Isolation: -20dB w/ m20 module, -15dB w/ m15 module



  • Triple driver IEM with impressive clarity and warmth for any instrument or genre
  • 1 High, 1 Mid, 1 Low driver configuration with 3-way crossover
  • Single Bore eliminates unwanted tube resonance
  • Internal modular apex technology eliminates pneumatic pressure
  • LID Linear Impedance Design retains intended frequency response
  • Hypoallergenic hard acrylic shells
  • Fully customizable and custom-built from unique ear impressions
  • 1.2m or 1.6m detachable professional audio cable
  • Warranty: 2-Year Parts and Labour



  • 64 Audio A3e Custom IEM Earphones
  • 64 Audio personalized protective case
  • Dehumidifier
  • Cleaning tool
  • Shirt clip
  • 1.2m or 1.6m detachable professional cable
  • m20 or m15 apex Modules
  • Round sticker


Brand64 Audio
Product TypeEarphones
Feature KeywordComfortable, Ear Canal, Hi-Fi, IEM, In Ear, Monitor, Noise Isolation, Portable, Professional, Studio
Recommended UseDigital audio player, Hi-Fi, Portable audio system, Studio
Manufacturer Warranty2 Years
Included AccessoriesProtective case, Dehumidifier, Cleaning tool, Shirt clip, Professional cable, apex Modules, Sticker
Part NumberA3e
Headphone Fit TypeCustom Mould
Headphones TypeHeadphones - binaural
Cable EntryNo
Cable LengthNo
Connector AngleNo
Connector TypeNo
Detachable CableYes
Driver SizeNo
Driver TypeBalanced Armature
Connectivity TechnologyWired
Earcup DesignNo
Frequency Response20Hz - 20kHz
Headphones Form FactorCustom Mould
Headphones TechnologyBalanced Armature
Number of DriversTriple Drivers
Sound Isolation (dB)No
Sound Output ModeStereo
Smartphone CompatibilityNo
Smartphone ControlsNo
Total Harmonic Distortion (THD)No
Wireless TechnologyNo

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