Astell & Kern Billie Jean

Billie Jean features the patented freqphase® technology from Jerry Harvey Audio with a new internal sound bore design to create a brilliantly clear and direct sounding earphone that is ideally suited for rock and electronic.

  • Australian Stock
  • Australian Warranty
  • Authorised Reseller

Open Box Available from $407.15

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Open Box Models Available

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Change of mind returns

These products have been returned as part of our 21 Day Change of Mind policy. We only accept these returns if the product is in good working condition with original packaging and accessories.

Please review the individual condition report of each item for more details.


This stock has been used in our showroom for customer demonstrations. Our demos are in store and never loaned out.

Please review the individual condition report of each item for more details.

Warranty & Change of mind

Your purchase will come with a full manufacturer's warranty and coverage under the Australian Consumer Law from the date of your purchase.

Please note that cosmetic defects, reasonably forseeable defects, and all other defects noted in the condition report will not be covered under warranty or considered a defect under the Australian Consumer Law as you have been made aware of them at the time of purchase.

Please choose carefully as Open Box products are excluded from our change of mind policy.

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Billie Jean is a new In-Ear Monitor collaboration between Astell&Kern and Jerry Harvey Audio. It is a Dual Balanced Armature (BA) design that uses JH Audio’s custom SIREN drivers.

The design features small, comfortable earpieces and a lightweight braided cable that utilises a detachable 2-pin connection.

The sound of Billie Jean is quite unique. It has a dense, rich lower-mid focus which brings depth to male vocals and instruments like acoustic guitar and piano. They feature JH Audio’s Freqphase technology, which ensures that the sound from the individual drivers is properly aligned by the time it reaches your ears. This means that the sense of precision and clarity from the Billie Jeans is quite stunning, even if high frequencies are not particularly emphasised.

With its convenient design and direct sound, the Billie Jeans are a great everyday choice for people who prefer a warmer sound, particularly for fast, aggressive genres like rock or electronic. For a leaner, more balanced sound, check out the Audio Technica ATH-LS200iS.

  • Model: Billie Jean
  • Type: Universal fit IEM 
  • Driver Unit : 2way 2Drivers (High, Full Range(Mid & Low)) / 2BA per side 
  • Impedance: 18 ohm 
  • Noise Isolation: -26dB 
  • Sound Technology: Freqphase™ Time | Phase Waveguide / New Sound Bore
  • Components: 3.5mm Unbalanced Cable, 3Sizes of Silicon Ear tips (S,M,L), Carrying Case

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