64Audio U12t vs U18s
Introduction
The U12t and U18s are high-end IEMs from 64Audio. Both in-ear monitors are designed to deliver top-tier sound, comfort, and fit without compromise. Let's compare both models so you can decide which IEM suits your needs best.
Not the right fit? Browse other 64Audio In-Ear Monitors.
64Audio U12t vs U18s Price Comparison
The 64Audio U12t and U18s share the same sticker price.
The U12t comes in at $1,999.00.
The U18s comes in at $2,999.00.
Let's dive deep into the specs, design, sound signatures, and features of both so you can get a better idea of what each IEM brings to the table.
The 64Audio U12t
The U12t is a high-end universal in-ear monitor from 64Audio. It sports 12-drivers per side, consisting Balanced Armatures and 64Audio's patented tia driver. The U12t features 64Audio technologies like Apex, Tia, and Linear Impedance Design for unmatched comfort and sound.
64Audio U12t Features:
- Tubeless In-Ear Audio (tia)
- Air Pressure Exchange (Apex)
- Linear Impedance Design (LID)
64Audio U12t Specs:
Driver Configuration: 1 tia High Driver – 1 High-Mid Driver – 6 Mid Driver – 4 Low Driver
Frequency Response: 10hz – 20kHz
Sensitivity: 108 dB/mW @1kHz
Crossover: Integrated 4-way Passive Crossover
Impedance: 12.6 +1/-2 Ω from 10hz – 20kHz
Apex Technology Isolation: -20dB, -15dB, -10dB
The 64Audio U18s
The 64Audio U18s packs a whopping 18-drivers per side, consisting of multiple BA drivers and 64Audio's patented tia high-driver. With Apex and LID technology under the hood, the U18s brings comfort and immersion to your listening sessions.
64Audio U18s Features:
- Tubeless In-Ear Audio (tia)
- Air Pressure Exchange (Apex)
- Linear Impedance Design (LID)
- Electrical Low-Pass Filter
64Audio U18s Specs:
Driver Configuration: 1 tia High Driver – 1 High-Mid Driver – 8 Mid Drivers – 8 Low Drivers
Frequency Response: 10hz – 20kHz
Sensitivity: 106 dB/mW Sensitivity @1kHz
Crossover: Integrated 4-way Passive Crossover
Impedance: 8Ω Nominal Impedance
Apex Technology Isolation: -20dB, -15dB, -10dB
Design and Build Quality
The U12t and U18s a very similar shape and overall design. Both IEMs feature 64Audio's precision-machined half-moon aluminum shells in unique faceplate details and shell colors.
64Audio updated the U12t for 2025 with a fresh new aesthetic. A Textured Silver Shell Color, Raised Metal Logos, and Chamfered Faceplate Bezel deliver a more elegant look and feel. At front you'll find the Apex ports under the chamfered 64Audio logo. Overall build quality is top-notch - the U12t feels solid in the hand and the new textured shells offer a more premium feel.
The U18s boasts premium materials and a unique design. Its shells are made of black aerospace-grade CNC Aluminum Billet material and its faceplates feature a Spiderweb-inspired design. Its Apex Modules feature subtle 64Audio logos as well.
Sound Signature
You're probably looking to see how these IEMs stack up on sound. We'll share our thoughts here, although keep in mind this information tends to be anecdotal and subjective.
U12t Sound Signature
The U12t features a neutral, reference-level tuning known for its accurate, detailed, and immersive sound presentation. It is the perfect in-ear monitor if you're looking to scrutinize every note and detail in your favorite music.
The bass in the U12t is well-balanced, delivering good impact and rumble when needed. Its midrange is natural and clear, allowing voices to come through with life-like clarity. Its soundstage is one of the largest you'll hear in an IEM, offering accurate sound placement for an immersive sound.
U18s Sound Signature
The U18s features a smooth and warm sound with slightly emphasized bass frequencies. The overall sound is more musical rather than analytical, leading to a fun yet detailed sound that suits a wide range of genres. Soundstage-wise, the U18s offers some of the most immersive listening experiences you can get from an IEM. The soundscape is nice and spacious - instruments and vocals have clear separation and positioning.
Price and Value
The 64Audio U12t and U18s sit at two different price points. Each in-ear monitor is built according to 64Audio's high-quality standards and each one delivers a different sound experience.
The $1,999 U12t delivers serious high-resolution sound - it doesn't get much better than this IEM in terms of balance, clarity, detail, and immersion. The 2025 version is even better - delivering the same sound audiophiles have come to love but with a fresh new look and a generous set of accessories in the package.
The U12t packs 64Audio features like Apex, tia, and LID, and now comes with all the current Apex Modules in the box, alongside a pair of Pearl Premium Cables in 3.5mm & 4.4mm. You also get ear tips, a leather case, a cleaning tool, clips, and stickers in the package.
The U18s' main selling points are its incredible 18 drivers per side and unique Spiderweb-inspired faceplates. In terms of sound, the U18s represents the best 64Audio has to offer in terms of tuning, with its clear, exciting, and immersive sound that suits a wide variety of genres.
In the box, the U18s come with a leather case, foam/silicone ear tips, a 3.5mm 8-braid Silver Cable, and a set of Apex Modules (m20, m15, and mX). The U18s features an Electrical Low Pass Filter for reduced distortion alongside 64Audio proprietary technologies: Apex, tia, and LID.
Our Thoughts
The 64Audio U12t and U18s feature excellent sound and build quality. Both IEMs are solid choices whether you're a casual listener, an avid audiophile, or a professional artist.
The 64Audio U12t is a very popular IEM known for delivering exceptional resolution, detail, tone, and soundstage immersion. It is the IEM to get if you want to experience your music with clarity and accuracy. The 2025 version is even better - boasting an updated design and accessories package - at no extra cost. Like other universal 64Audio IEMs, you can swap out Apex Modules to fine-tune sound to your liking.
The U18s is a great high-end IEM if you like a more fun and bassy sound but don't want to compromise on detail. With 18 drivers per side, the U18s delivers a smooth, thick, and musical experience - perfect for a wide range of genres. With its black aerospace-grade CNC Aluminum Billet shells and Spiderweb-inspired faceplate design, the U18s lets you enjoy music in style. Play around with the included Apex Modules and get the perfect sound and comfort for those long listening sessions.
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