64 Audio U18t 18 Driver Reference In-Ear Monitor (2025 Edition)
64 AUDIO
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64 Audio U18t 18 Driver Reference In-Ear Monitor (2025 Edition)
64 AUDIO
Description / 64 Audio U18t 18 Driver Reference In-Ear Monitor (2025 Edition)
The flagship U18t has been refreshed for 2025 with a new cosmetic design and upgraded accessory package. The U18t's industrial design has been updated with beautiful red abd copper earpieces and exclusive PVD Coated Stainless Steel faceplates and M20 modules. The U18t package now includes premium 8-braid SPC 3.5mm and 4.4mm cables, and all Apex modules offered to date: MX, M12, M15 and M20.
The U18t is 64 Audio’s flagship reference tuned offering, offering 8 drivers focusing on the bass frequencies, 8 drivers focusing on the midrange and a duet of Tia drivers focusing on the highs and mids. The 18 drivers are secured in an ergonomic aluminium shell, and the PVD Stainless Steel faceplates are finished with an Imperial Red enamel like chip inlay. The U18t also features Apex technology, which relieves air pressure created by speakers in an enclosed environment. The U18 comes bundled with a pair of premium 48 inch, 2-pin detachable 8-braid SPC cables terminating with 3.5mm and 4.4mm plugs, protective case, a extensive set of silicone and foam tips, the Apex m20/m15/,12/mX module, shirt clip, and cleaning tool.
The U18T delivers an accurate, reference level sound for critical listening. The earphones are airy, detailed, and exhibit crisp highs, yet have powerful bass and smooth, intimate vocal presence. The balance of these elements ensure the U18 is suited for any genre of music, faithfully representing the music as the artist intended.
Packed with an unbelievable 18 balanced armature drivers per side, U18t is 64 Audio's top-of-the-line reference in-ear monitor. This industry-first design sits right at the boundary of what is physically possible in a UIEM. Released and developed alongside Fourté in 2016, it is the first IEM to integrate 64 Audio's patented tia technology with conventional IEM design, utilizing the tia high driver and single sound bore. This astonishingly complex system results in incredible detail, extension, and unmatched clarity across all frequencies.
The U18t achieves its quick bass response, while retaining enough sub-bass amplitude, by coupling eight modified mid-drivers for the low frequency band rather than using fewer/larger drivers. Another eight low-mid drivers are required to match that amplitude in the mids. The one high-mid + one tia high driver combination became the basis for 90% of 64 Audio's entire product range. The extremely accurate response of U18t makes it perfect for critical audiophile listeners as well as mixing and mastering engineers. Aluminum billet shells precisely milled into our signature ergonomic shape. The PVD Stainless Steel faceplates are finished with an Imperial Red enamel like chip inlay.
Product Inclusions
- U18t Universal In-Ear Monitors
- Carry Case
- TrueFidelity Foam Ear Tips (S,M,L)
- SpinFit Silicone Ear Tips (S,M,L)
- Silicone Ear Tips (S,M,L)
- 3.5 mm Black Eight-Braid Cable
- 4.4 mm Black Eight-Braid Cable
- Shirt Clip
- Cleaning Tool
- Cleaning Cloth
- Round Sticker
- Apex Modules (m20, m15, m12, mX)
Specifications
| Drivers | 1 tia High Driver - 1 High-Mid Driver - 8 Mid Drivers - 8 Low Drivers |
| Frequency Response | 10 Hz – 20 kHz |
| Sensitivity @1 kHz | 111 dB/mW |
| Impedance @1 kHz | 9 Ω |
| Crossover | Integrated 4-way Passive |
| Apex Technology Isolation | -20 dB, -15 dB, -12dB, -10 dB |