The 64Audio U12t and THIEAUDIO Prestige LTD are both premium in-ear monitors designed to deliver an exceptional sound experience for casual listeners and audio professionals. Let's examine both models and discuss design, sound, features, and price so you can choose the right IEM for your listening needs.
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The U12t and Prestige LTD sit at two different price points.
The U12t comes in at $1,999.00.
The Prestige LTD comes in at $1,299.00.
The U12t costs significantly more than the Prestige LTD. Let's dive into the specs, design, sound signatures, and features of both in-ear monitors so you can get a better idea of what each one brings to the table.
The U12t is a high-end universal in-ear monitor from 64Audio. It sports 12 balanced armature drivers per side - including 64Audio's patented tia high driver. The U12t features 64Audio technologies like Apex, Tia, and Linear Impedance Design for precise sound reproduction.
64Audio U12t Features:
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, -12dB, -10dB
The THIEAUDIO Prestige LTD is a tribrid flagship in-ear monitor. Inside its medical-grade resin shells are a single dynamic driver, 4x BA, and 4x EST tuned to deliver a clean and balanced sound.
THIEAUDIO Prestige LTD Features:
THIEAUDIO Prestige LTD Specs:
Driver Configuration: 1DD + 4BA + 4EST
Frequency Response: 20Hz – 80kHz
Impedance: 22Ω
Sensitivity: 98 dB @1kHz
Cable: 1.2m 6N OCC silver-plated and graphene silver-plated with modular terminations
The U12t and Prestige LTD feature unique designs, shapes, and materials. Both models use premium materials for their shells and faceplates to deliver a lightweight and robust feel.
The U12t boasts a fresh new aesthetic for 2025. A Textured Silver Shell Color, Raised Metal Logos, and Chamfered Faceplate Bezel deliver a more elegant look and feel. At the 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 THIEAUDIO Prestige LTD features a handcrafted medical-grade resin shell for a robust, lightweight feel, while its faceplates feature a stunning unique galaxy-inspired design. In terms of size, the Prestige LTD's shells are slightly larger than average but its ergonomic shape delivers a natural and comfortable fit.
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.
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.
The THIEAUDIO Prestige LTD features a balanced sound signature, characterized by tight bass, neutral mids, and smooth treble.
The bass on the Prestige LTD is tight and punchy. It extends well into the sub-bass frequencies to deliver textured rumbles bassy music. The midrange focuses on clarity and detail. Vocals are life-like and detailed with accurate tone. The treble is smooth and natural - free from unwanted harshness or sibilance.
In terms of soundstage and imaging, the Prestige LTD produces an expansive soundstage for an immersive sound experience. Vocals, instruments, and other sounds are well-spaced and easy to pick out - even in busy tracks.
The U12t and Prestige LTD are priced similarly. Both models offer exceptional sound, build quality, and aesthetics befitting their premium price tags.
The $1,999 U12t comes with a fresh new look and a generous set of accessories in the package. In the box, you get all the current Apex Modules and a pair of Pearl Premium Cables in 3.5mm & 4.4mm. You also get a selection of ear tips, a leather case, a cleaning tool, clips, and stickers in the package.
The $1,299 Prestige LTD offers exceptional value. The Prestige LTD features a nine-driver tribrid design consisting of a dynamic driver, four high-end BA drivers, and four Electrostatic drivers. The Prestige LTD also offers a durable and lightweight resin shell with an eye-catching aesthetic. In the box, the Prestige LTD comes with ear tips in various sizes and a premium modular cable with interchangeable terminations.
The 64Audio U12t delivers reference-level resolution, detail, tone, and an immersive soundstage. It is the IEM to get if you want to experience an authentic studio-quality sound. Music on the U12t sounds clean, clear, and accurate - no matter the genre. The 2025 version is even better - boasting an updated design and accessories package without the extra cost. You can swap out Apex Modules to fine-tune sound to your liking.
If you like a clear, precise, and detailed sound experience, you'll love the THIEAUDIO Prestige LTD. The Prestige LTD's tight bass, neutral mids, and smooth treble lets you enjoy music as intended by the artist. Its lightweight and robust shells offer an ergonomic fit and a striking aesthetic you'll be proud to wear everywhere you go. Plus, you're getting a premium cable with swappable terminations, allowing you to plug into any source conveniently.
Another IEM to consider in this price range is the THIEAUDIO Monarch MKII. The $999 Monarch MKII delivers studio-quality sound and some of the best vocal presentations you'll experience in an IEM. It features a 9-driver tribid configuration, a robust resin shell, and a modular cable for seamless connections to any source.
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