64 Audio U12t front closeup with attached stock cable whitebox
64 Audio U12t front quarter closeup with shadow whitebox
64 Audio U12t top front quarter whitebox
64 Audio U12t with attached stock cable and accessories bokeh
64 Audio U12t inserted in human ear with attached cable
64 Audio U12t coiled stock cable

64 Audio U12t (Latest Revision) | Balanced Armature Universal IEMs

Regular price$1,999.00
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64 Audio U12t logo

Experience an Incredible Execution of Balanced Armature Technology in a Top Tier Universal IEM with 64 Audio's U12t

  • Stacked 12-driver Balanced Armature arrangement
  • Sweet, smooth highs, powerful, physical lows, great spatial imaging
  • Features 64 Audio's exclusive Tia and APEX technology
  • Includes premium black 26 AWG Silver-plated OCC Copper cable in 3.5mm

Bloom's Take

For us, being able to hear all kinds of new high end gear all the time from our great brand partners...it's easy to get jaded. "Oh this new headphone will change everything!" "This DAC is finally going to make you feel like digital music is perfect!" "This cable has gold infused adamantium...now you'll REALLY hear the music as the artist intended!"

Hype and marketing hyperbole can really suck sometimes. But every once in a while, an audio product comes along that truly feels...perfect. Not that nothing can possibly can sound better than it, but perfect in that it delivers such a remarkably perfect tonality and timbre in its price range, that you just know it's a triumph. Ladies and gentlemen, the U12t is a masterpiece. If you're looking to invest two large on IEMs, the U12t absolutely must be on your short list. Our highest, highest recommendation.

Read the full review.

Not sure which 64 Audio IEM is the right one for you? Check out our 64 Audio 2024 Buyer's Guide!

64 Audio U12t front bird's eye closeup

From 64 Audio

The U12t does it all, delivering immersive sound and impeccable spatial imaging. It's clean highs extend beautifully with a warm and engaging low-end response - just like its custom counterpart, the A12t. Offering reference-level detail, this IEM is among the best for multi-instrumentalists, engineers, sound monitors, and audiophiles.

Each ergonomic shell is machined out of a solid piece of aluminum and finished with an elegant brushed aluminum faceplate.

64 Audio U12t front closeup with foam eartips whitebox

Tia

The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. All 64 Audio Custom In-Ear monitors with tia feature two major elements of the tia system: the tia driver and the tia single-bore design.

Tia Driver
An open balanced armature speaker design for realistic resolution and transparency. By opening a balanced armature, the diaphragm becomes fully unobstructed, reducing resonance in the IEM and allowing sound to travel more naturally to the ear.

Tia Single Bore
A huge advancement in eliminating unwanted tube resonance. The large bore itself serves as a sound-shaping chamber and aids the tia high driver in delivering a linear and coherent frequency response. The short sound path provides remarkable high-frequency extension and smoothness. The large single bore also allows for easier maintenance.

64 Audio U12t internal components explosion

Apex

Apex, or Air Pressure Exchange, is a pneumatically interactive vent that releases air pressure in a sealed in the ear canal. Apex comes in two variations, m15 (-15dB) and m20 (-20dB).

Alleviate Listener Fatigue
When you seal a miniature speaker in an ear canal, the air inside becomes trapped. Apex relieves this air pressure, allowing the eardrum to move naturally, so you can comfortably listen longer.

Extend The Soundstage
Freely moving air extends the soundstage and provides a more natural listening experience. It also preserves bass frequencies and helps the listener distinguish individual instruments.

Hear Your Audience
Custom in-ear monitors provide amazing isolation and help you hear your mix more clearly and at lower volumes than a wedge monitor or earbuds. Apex lowers decibel levels while preserving the clarity of the sounds around you, so artists on stage can connect with their audience while protecting their hearing.

64 Audio U12t closeup high angle front shells highlighting inserted Apex modules

LID

LID, or Linear Impedance Design, enables a consistent, reliable sound regardless of what source. This proprietary circuit corrects the non-linear impedances of the drivers, restoring proper interaction with the source and preserving the desired sound signature. Whether you're a musician plugging into a variety of gear at different gigs or studios, or an audiophile listening from low-impedance sources, LID ensures your IEMs are delivering the desired sound signature consistently. And like all our IEMs, this model can be used with a wide range of personal audio devices as well as all hard-wired and wireless monitor systems.

Specifications

  • Driver Type: (x12) precision Balanced Armature drivers
  • Driver Config: (x1) Tia high | (x1) high-mid | (x6) mid | (x4) low
  • Frequency Response: 10Hz - 20kHz
  • Sensitivity: 108db dB/mW
  • Impedance: 12.6Ω +1/-2
  • Crossover: Integrated 4-way passive crossover
  • Isolation: 20dB w/ m20 module | -15dB w/ m15 module
  • Cable: Premium black 7x7x4 multi-twist 26 AWG Silver-plated OCC Copper

In the Box

  • U12t UIEMs
  • 64 Audio Premium Leather Case
  • TrueFidelity Eartips (S,M,L)
  • Silicone Eartips (S,M,L)
  • 48" Detachable Premium Cable w/ 3.5mm termination
  • m20 apex Modules
  • m15 apex Modules
  • mX apex Modules
  • Round Sticker

64 Audio U12t bird's eye earphones in included case with retail box and all accessories

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Customer Reviews

Based on 13 reviews
92%
(12)
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S
Smirk

Great item. Great customer service. Highly recommend Bloom Audio

P
Patrick
Well-Rounded

The U12t's do a great job at being well-rounded. I listen to these for multiple hours a day with no fatigue or discomfort.

L
Leonid Altgauzen

The team Bloomaudio great work

T
Tim L.
You get what you pay for…

And the case of the 64 Audio U12t it’s really true. You don’t need me to tell you about them, read any of the numerous reviews online. One of the best non-custom IEMs you can buy, supremely detailed, musical, and easy to enjoy over long listening sessions.

N
Neil S.
You'll be Happy

The hype is true (Precog, et. al.), this is a pure, detailed, and still somehow fun tuned iem. I wanted an all BA iem for my collection (I'll be downsizing soon, this is getting ridiculous), and Bloom recommended. I couldn't be happier. Now I toggle btwn. these, the UM MEST MK2, and the Solaris 2020 (and to be honest, I still rotate in my FiiO FH9s and FD7s). I'm primarily a classical music listener: complex and potentially congested symphonies and concerti: the U12t is unfazed, giving each section or instrument its due and spatial location. The tuning, like I said is still pleasing - never clinical. And that bass...how did they do it. I would never have known it was BA bass if I hadn't read it. Like I said, you'll be happy if you get them. And for the record, Bloom Audio is a real pleasure to work with: patient and knowledgeable.


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