64 Audio
U6t In-Ear Monitors
$1,299.00 USDPay Over Time
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Video
What's in the Box?
Warranty
64 Audio’s most popular CIEM now available in a universal form. U6t draws from the sonic palette of U12t; boasting the same groundbreaking technology as our flagship IEMs in our ergonomic aluminum shell to make it more accessible than ever.
Sound
In standard 64 Audio fashion, U6t is a balanced natural sounding earphone, slightly set apart from our other UIEM models by offering a softer presentation of a mix. Beautiful upper-mid imaging, realistically presenting instruments like guitars and piano as well as breathing life into saturated mid-bass mixes, especially when vocal focused. Using the various included apex modules and ear-tips allows the listener to further customize the sound of the U6t based on the needs of the music.
While looking towards U12t for sonic inspiration, our U18s influenced U6t's dark grey matte shell finish as well as its newly redesigned packaging. The understated shell design and classic black faceplate reflect what you can expect from the new generation of 64 Audio’s audiophile products.
Tubeless In-Ear Audio (tia) is a patented IEM design methodology that aims to reduce unwanted resonance and distortion for a transparent and lifelike sound signature. The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. U6t features two major elements of the tia system: the tia driver and the tia single-bore design.
Air Pressure Exchange (Apex) is a patented vent that releases air pressure in a sealed ear canal all while retaining standard IEM levels of isolation; enabling musicians and music enthusiasts to listen more comfortably for longer. This venting alleviates listener fatigue and allows for a much more realistic soundstage. Apex comes in three module variations for U6t: mX, m15 and m20.
Linear Impedance Design (LID) is a patented circuit that corrects the non-linear electrical resistance of the multiple driver-sets comprising this 6 driver IEM. Varying source amplifier output impedance in devices like smartphones, body packs, DAC/amps, and DAPs typically results in varying frequency response across them, depending on the increase in resistance. Restoring proper interaction with the source and preserving the desired sound signature enables a consistent reliable sound.
Black Premium Cable
- 0.23 Ohms Total Impedance
- 7 x 7 x 4 Multi-Twist
- Silver Plated OCC Copper Wire
- 26 AWG
- Terminated in 3.5mm
Features
- 1 tia High Driver – 1 High-Mid Driver – 2 Mid Drivers – 2 Low Drivers
- 10hz – 20kHz Frequency Response
- 108 dB/mW Sensitivity
- Integrated 4-way Passive Crossover
- 10Ω Nominal Impedance
- Apex Technology Isolation: -20dB, -15dB, -10dB
What's in the Box?
- U6t 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
- Round Sticker
The 64 Audio Sweet Spot: How the U6t and U12t IEMs Redefine Sub-$2K Excellence
Read Time: Approx. 10 min.
TL;DR:
- Sub-$2K Flagship Performance: Both the U6t and U12t IEMs deliver exceptional value under $2,000 each
- Distinct Sound Signature: The U6t offers natural, balanced sound perfect for acoustic, jazz, and classical genres, while the U12t provides a more immersive, musical presentation ideal for hip-hop, pop, and modern music
- Advanced Driver Technology: Features 64 Audio's proprietary TIA, Apex, and LID technologies for reduced distortion, comfortable listening, and consistent performance
- Customizable Tuning: Both IEMs include interchangeable Apex modules (mX, m15, m20) that allow users to adjust noise isolation, bass response, and soundstage characteristics
- Comprehensive Accessories in a Premium Package: Each IEM includes extensive accessories like a premium leather case, multiple ear tip varieties, a cable clip, cleaning tools, and a 3.5mm cable
Two 64 Audio Titans Under Two Thousand
Two 64 Audio Universal IEMs priced at under $2,000 each. Yes, you read that right. The U6t IEM and U12t IEMs are arguably two of 64 Audio's most popular IEMs, and for good reason. The U6t IEM is the universal counterpart to the company's most popular custom IEM, delivering a balanced, natural sound quality at an exceptional price. The universal counterpart to the A12t, the U12t IEM is highly regarded and sought after by audiophiles for its immersive sound quality.
64 Audio is arguably one of the top IEM manufacturers on the market, backed by musicians, artists, and audio professionals alike who exclusively use their In-Ear Monitors. As the first company to introduce a tubeless IEM design, 64 Audio has forged a path as an innovator that continues to push the boundaries of IEM performance with every new product release. With two universal IEMs under $2,000 each, the U6t and U12t are just the tip of 64 Audio's IEM iceberg, representing true TOTL (top of the line) value at an incredible price point.
PROS
- U6t: Natural, balanced, and articulate
- U12t: Detailed, immersive, and musical
- Incredible fit, comfort, and seal
CONS
- Only 3 of 4 Apex Modules included with U6t and U12t
Design
When it comes to design, 64 Audio always hits the mark. Their universal IEMs exceed all expectations of fit and comfort, leading you to second-guess whether you're truly wearing a UIEM and not a custom. Anyone familiar with wearing and using universal IEMs knows the struggle of finding the perfect fit and achieving a strong seal. In the same way that no two ears hear alike, they're also not shaped alike. I've been through the ringer with IEMs, testing and trying different ear tips, cables, and insertion techniques, only to continuously fall short of the perfect fit. Take my word for it, if this sounds like you and you haven't tried 64 Audio IEMs yet, you should!
The entire 64 Audio Universal IEM collection sports the same kidney-shaped ergonomic form. Where they differ is in faceplate design and chosen materials.
The U6t is sleek and simple. It might not have the fancy faceplates of the higher-end models like the Volür or Fourté, but its black and gray aesthetic is timeless. The U6t's matte gray shell was heavily influenced by the 64 Audio U18s IEMs, serving an understated look that's fingerprint-free. The classic black faceplate is rounded, creating a bubble-like effect that you can almost peer into and see the 64 Audio logo nestled underneath. Each IEM (left and right) features the 64 Audio logo and a 2-pin termination.
The U12t's design is elevated with an all-silver aesthetic and an electroformed stainless steel faceplate chip. The matte silver aluminum shell, light gray faceplate, and silver trim tie in the stock m20 apex module for an effortlessly chic look. Each IEM (left and right) features the 64 Audio logo and a 2-pin termination.
Included with both IEMs are a slew of accessories. 64 Audio is one of the few manufacturers including intentional accessories beyond the standard foam ear tips. With each IEM you'll find the following: A 64 Audio premium leather case, a 3.5mm black IEM cable, TrueFidelity foam ear tips (S, M, L), SpinFit silicone ear tips (S, M, L), Silicone ear tips (S, M, L), an IEM cable, apex modules (m20, m15, mX), a cleaning tool, a cable clip, and a branded sticker.
The cable clip, commonly used by audio pros sporting custom IEMs, keeps the cable from getting caught and damaging the IEM jacks, and the cleaning tool will help remove build-up and debris that can potentially reach the IEM driver. The ear tips, however, are one of my personal favorites. A common theme among 64 Audio is intentionality–these ear tips are intentionally crafted to deliver the best possible listening experience.
The TrueFidelity ear tips are made out of a unique foam blend that molds easily to your ear and doesn't overly accentuate the top end and alter the sound quality. The SpinFit ear tips are a crowd favorite because of their extreme comfort, easy placement, and ability to stay in place for long listening sessions. Lastly, 64 Audio includes silicone ear tips that they say provide an incredibly accurate sound reproduction.
Sound
U6t IEM
The U6t IEM is a balanced IEM through and through. It's natural, articulate, and incredibly lifelike with exceptional timbre reproduction. Many IEMs aim to deliver a realistic presentation, but fall short. The U6t is the exception, not the rule. It's tuned for the discerning audiophile who wants the most accurate reproduction of their favorite songs. The midrange is musical with a heavy emphasis on instrumentation, imaging, and layering, while the upper mids provide excellent clarity without any sibilance.
Female and male vocals are textured and full of life. The iconically ethereal vocals of Taylor Swift danced circles around my head in her song Daylight. They were airy yet smooth, and the treble posed no risk of fatigue when she hit high notes. The soundstage is moderately sized, neither too immersive nor wide. It has enough depth that you can sense instrument location, but it doesn't wrap around your head and deliver you that "in your head sound."
Given its natural sound signature, the U6t IEM isn't a bass monster–in fact, it's quite the opposite. The mid-bass is alive and present in high-energy and hip-hop tracks where percussion is the focal point. It delivered a quick, punchy bass response that emphasized the instruments it needed to without delivering an overly impactful, powerful low-end. Very complementary to the overall tonality.
U12t IEM
With 12 balanced armature drivers, the U12t is technically precise with incredible detail retrieval and an immersive sound quality. It mirrors the U6t with its natural sound reproduction and balanced tonality, but steals the show with its midrange musicality. The chorus of Weston Estate's song So Good opens up with a funkadelic melody that had me instantly bopping my head. The tighter soundstage of the U12t delivers that "in your head" experience where the lines between reality and fantasy are crossed. As a warm and musical listener, I'm partial to an immersive sound, especially with pop and indie songs.
The bass response of the U12t is quick and smooth. It's impactful and visceral without being bloated or overwhelming. As a basshead, I approve. Female and male vocals are rich and lush, really honing in on the midrange magic that transports you to another dimension. Detail retrieval, instrument separation, and imaging–check!
Which IEM is right for you?
Both the U6t IEM and U12t IEM are strong in their own regard. The U6t is natural and detailed, perfect for those who enjoy acoustic, jazz, classical, and string genres. The U12t is detailed and immersive with subtle warmth and musicality. It flexes its sonic muscle with hip-hop, pop, classic rock, and high-energy genres. The choice between the two comes down to personal preference. If you lean toward the analytical listener who values micro details and clarity above all else, the U6t might suit you best. Warm and musical listeners who prefer to spend their time getting lost in the music may enjoy the U12t more.
Daylight
By Taylor Swift
(Lover)
Oye Como Va
By Santana
(Abraxas)
So Good
By Weston Estate
(So Good)
Been Like This
By Doja Cat
(Planet Her)
Features
U6t Driver Configuration & Technology
Inside the U6t sit six precision balanced armature drivers in the following configuration: one tia high driver, one high-mid driver, two mid drivers, and two low drivers. 64 Audio's proprietary tia, apex, and LID technology are implemented in the U6t, contributing to the IEM's overall performance and sonic attributes.
U12t Driver Configuration & Technology
Unlike IEMs that rely on dynamic driver configurations for bass response, the U12t achieves its sonic excellence through pure balanced armature engineering. 12 balanced armature drivers sit in the following configuration: one tia high driver, one high-mid driver, six mid drivers, and four low drivers. Just like the U6t, the U12t uses 64 Audio's tia, apex, and LID technology. This flagship-level driver count sets it apart from dynamic driver alternatives.
Tia (Tubeless In-Ear Audio) is a patented IEM design that reduces unwanted resonance and distortion for a transparent and lifelike sound signature. The TIA system is composed of three elements (Tia Trio): open-balanced armature TIA drivers, the TIA single-bore design, and TIA acoustic chambers. The U6t and U12t feature the tia driver and the tia single-bore design.
Apex (Air Pressure Exchange) is a patented vent that releases air pressure in the sealed ear canal while maintaining standard IEM levels of isolation. The result is longer, more comfortable listening sessions where listening fatigue is alleviated and a more realistic soundstage is delivered.
LID (Linear Impedance Design) is a patented circuit that corrects the non-linear electrical resistance of the multiple driver sets comprising the U6t and U12t.
Apex Modules
Both IEMs feature 64 Audio's Apex Modules. These tiny interchangeable modules afford you the luxury of having multiple IEMs without purchasing more than one. 64 Audio has four apex modules: mX, m12, m15, and m20. The U6t and U12t IEMs come with the mX, m15 apex module, and m20 modules (the m20 is the stock module for both IEMs).
Here's a breakdown of what the apex modules do: Essentially, the apex modules allow you to adjust pressure relief, noise isolation, bass attenuation, and mix width. The mX module achieves the most open and transparent audio experience by reducing ambient noise isolation to -10dB. It transforms bass-heavy earphones into a mastering-grade IEM with a very resolved sound signature.
The m20 module comes standard with most 64 Audio IEMs featuring apex modules. It provides roughly -20dB of noise isolation, retaining the most low-frequency energy and tight center imaging. The m15 module features a combination of dual ambient ports and modified internals to achieve -15dB isolation. It allows for slightly more ambient sound than the m20 and helps tame the bass while maintaining excellent timbre and high frequency reproduction.
Want to enjoy some classical compositions? Switch out the m15 for the mX module. Not getting the instrument separation you desire? Switch to the m20 module. It's that easy. No frills, no fuss.
Dragon Cables
The balanced, natural sound quality of the U6t makes it the perfect candidate for several Dragon Audio Cables. The Bronze Dragon IEM Cable is my personal favorite, adding warmth and body to the U6t for a slightly more musical sound quality. Those craving more low-end response will be pleased with the Black Dragon IEM Cable, which adds bottom-end weight for a warmer and fuller sound quality. Our Silver Dragon IEM Cable will take everything great about the U6t and enhance it. You'll experience even more detail retrieval and clarity, with top-end resolution for days.
For the U12t, the choice was clear. The Silver Dragon IEM Cable added more top-end resolution and clarity to the U12t's immersive and musical sound quality–especially when listening to pop and hip-hop tracks. If you enjoy that musical sound and want to enhance it even more, the Bronze Dragon IEM Cable is an excellent second choice.
Generally, stock audio cables are manufactured with subpar materials, metals with impurities, poor geometries, and an overabundance of layers to make them look and feel like a fire hose. Inconsistency and lack of quality control in stock cables can lead to poor sound quality and a veiled sound vs. what the musician intended for you to hear and feel from the music. Dragon Audio Cables are handcrafted with the highest standards and made to order according to your specific needs. At Moon Audio, we create a custom cable for you using the highest quality UP-OCC silver or copper conductors that can be manufactured. UP-OCC metals are void of impurities and are optimized for signal transfer and sound quality. We have one of the largest collections of audio and headphone connection options available online and we create limitless audio cable options depending on your specific gear and needs.
Why Dragon Cables?
You’ve heard the saying that a chain is only as strong as its weakest link, right? Well, the same applies to your brand new audiophile-grade headphone or other audio components. The weakest link, in this case, is your stock audio cable or the cheap interconnects the manufacturer threw in the box just to get you up and running. Why is the audio cable always an afterthought, when it’s just as important as the rest of your system? At Moon Audio, we use the purest and best raw materials in our cables to unveil your music. We believe that materials matter and your audio cables should have the same care and craftsmanship that manufacturers put into their audio components and headphones. Audio cables are ultimately the connection to your music. The fact remains that cabling is often considered the last priority to that of the main product and a means to cut down the overall production costs. It’s as simple as that. Dragon Cables elevate every note - as if you were hearing your favorite music for the very first time.
Verdict
For under $2,000 each, the 64 Audio U6t IEM and U12t IEMs offer exceptional value and even better performance in the top-tier IEM market. With premium build qualities, innovative technologies, and several included accessories, these IEMs are clear indicators of why 64 Audio is a trusted name in the hi-fi IEM market.
At $1,299, the U6t is the ideal choice for listeners who prioritize accuracy, detail retrieval, and natural sound reproduction—perfect for acoustic, jazz, and classical music enthusiasts who want to hear their music exactly as intended. For $1,999, the U12t elevates the experience with its 12-driver configuration, delivering a more immersive and musically engaging presentation that bass lovers and fans of modern genres will find irresistible, with sub-bass extension and transient response that sets it apart from competitors. Pair either model with our Dragon Audio Cables, be it the Silver Dragon IEM Cable for added clarity or the Bronze Dragon IEM Cable for enhanced musicality–you can't go wrong.
Whether you're a critical listener seeking reference-level accuracy or a music lover chasing pure sonic enjoyment, 64 Audio has crafted an IEM that will exceed your expectations.
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Dragon IEM Cables for 64 Audio In-Ear Monitors
What's in the Box
64 Audio U6t IEMs
- U6t 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
64 Audio U12t IEMs
- 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
Specifications
64 Audio U6t Universal IEMs
Driver Configuration: 1 tia High Driver, 1 High-Mid Driver, 2 Mid Drivers, 2 Low Drivers
Frequency Response: 10 Hz - 20 kHz
Crossover: Integrated 4-way Passive Crossover
Impedance: 10Ω
Sensitivity: 108 dB/mW
Isolation: -20dB, -15dB, -10dB
64 Audio U12t Universal IEMs
Driver Configuration: 1 tia High Driver, 1 High-Mid Driver, 6 Mid Drivers, 4 Low Drivers
Drivers: (x12) Precision Balanced Armatures
Frequency Response: 10 Hz - 20 kHz
Crossover: Integrated 4-way Passive Crossover
Impedance: 12.6Ω
Sensitivity: 108 dB/mW
| Parameter | Specification |
|---|---|
| Main Features | |
| Driver Configuration | 1 tia High Driver, 1 High-Mid Driver, 2 Mid Drivers, 2 Low Drivers |
| Audio Specifications | |
| Frequency Response | 10hz - 20kHz |
| Crossover | Integrated 4-way Passive Crossover |
| Impedence | 10Ω |
| Sensitivity | 108 dB/mW |
| Isolation | -20dB, -15dB, -10dB |
- DZDavid Z.Verified BuyerRated 5 out of 5 stars10 months agoA Whole New Audio Experience
I couldn't believe the difference in sound when I first used this IEM. Music sounded so much better with much greater dynamic range and a wider sound stage. I could even hear the brushes on the cymbals on tracks where I had never been able to pick them out before. Very happy.
- DZDave Z.Rated 5 out of 5 stars11 months agoGreat IEM
I just received these and immediately tried them out. They are great!! Songs that I have listened to hundreds of times sound completely different. Much greater dynamic range, easier to pick out individual instruments, and much better vocals.Now I can't wait to get a better DAC.
- KMKarl M.Verified BuyerRated 5 out of 5 stars1 year agoExcellent IEH
These are very sounding earbuds. The filters do make a difference in the their performance. For the price, these are not six grand version. I will never know how the would sound, these give good sound stage, accuracy and musicality for the type of transducer they are. What I am still looking for is the tips that will keep them in my ears and a good seal. A lot of bang and boom for buck.
- DSDavid S.Verified BuyerRated 5 out of 5 stars1 year agoU6t
sound is very good; more difficult to adjust properly in ear with cable over ear than my other in ear monitor, but once adjusted it stays in place