64 Audio U12t 12 Driver Reference In Ear Monitor

Key Features:
  • Reference level 12-driver audio
  • Ergonomic, durable shell
  • Apex pressure relief system
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The U12t is 64 Audio's bass and vocal tuned offering, offering 4 drivers focusing on the bass frequencies, 6 drivers focusing on the midrange, 1 driver focusing on the mid-high frequencies and 1 Tia driver focusing on the highs. The 12 drivers are secured in an ergonomic aluminium shell. The inlaid brushed faceplate finishes off the design with flair. The U12 also features Apex technology, which relieves air pressure created by speakers in an enclosed environment. The U12 comes bundled with a 48 inch, 2-pin detachable cable terminating with a 3.5mm plug, protective case, a extensive set of silicone tips, a choice of Apex m20 module and Apex M15 module to tune the sound, shirt clip, and cleaning tool.

The U12t offers a linear sound with a mild emphasis on bass and treble to provide a clear reference sound. The earphones are detailed and exhibit crisp highs, yet emphasize powerful bass and smooth, intimate vocal presence. The emphasis on the upper vocal air and bass gives the sound of U12t a clear, technical and punchy sound.


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What's in the box

  • U12t Universal In-Ear Monitors
  • 64 Audio Premium Leather Case
  • TrueFidelity Foam Ear Tips (S,M,L)
  • SpinFit Silicone Ear Tips (S,M,L)
  • Silicone Ear Tips (S,M,L)
  • 3.5mm Black Premium Cable
  • Apex Modules: m20, m15, mX
  • Cleaning Tool
  • Cable Clip
  • Round Sticker


Driver Type/Count 1 tia High Driver – 1 High-Mid Driver – 6 Mid Drivers – 4 Low Drivers
Frequency Response 10Hz – 20kHz
Sensitivity 108 dB/mW @ 1kHz
Impedance 12.6 +1/-2 Ω from 10Hz – 20kHz
Crossover Integrated 4-way Passive Crossover
Isolation Apex Technology Isolation: -20dB, -15dB, -10dB

Audio Performance

Drivers12 Drivers
Sound Signature
Clear, punchy and resolving reference sound


Low Mid

Mid High


Resolution (9)

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With nearly two decades experience as a sound engineer, Vitaliy Belonozhko founded 64 Audio when he discovered the advantages of IEMs over traditional floor wedges. With unique technologies such as the Tia tubeless driver design and the Apex pressure relief system, 64 Audio consistently aims for high performance, balanced sound with practical, ergonomic fit.

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64 Audio