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  • 64 Audio Twelve Ti

64 Audio Twelve Ti

Limited Edition 12 BA Universal In-Ear Monitors

  • Grade 5 titanium shells for durability and lightweight feel
  • 12-driver array with 4-way crossover for balanced audio
  • Patented tia™ tech eliminates resonance for transparent sound
  • apex® venting relieves air pressure for fatigue-free sessions
  • Linear Impedance Design ensures consistent signature across sources
  • Silver-plated UP-OCC cable with 0.29Ω impedance
  • Includes m20, m15, m12, mX apex modules and varied ear tips
Regular price £2,499.00
Sale price £2,499.00 Regular price
Unit price
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64 Audio Twelve Ti

64 Audio Twelve Ti

Regular price £2,499.00
Sale price £2,499.00 Regular price
Unit price

Limited Edition In-Ear Monitors

From the Latin meaning to uncover or open, the critically acclaimed APERIO headphone system reveals the true beauty of recorded sound. Two generations of patented electrostatic transducers, resulting in the most remarkable and immersive acoustic experience.

U12t Elevated

The almost decade-long global success of U12t, reinforced in 2025 by its cosmetic update, is being commemorated with a special edition.

TWELVE Ti is exactly what the name suggests: U12t elevated through the use of an equally renowned element, titanium, for the shells, faceplates, and exclusive m20 apex modules. The strength, resilience, and bio-harmony of titanium, combined with the legendary sound of U12t, create the ultimate icon of timeless style and performance.

The Sound

TWELVE Ti does it all, delivering immersive sound and impeccable spatial imaging. Its articulate highs extend beautifully with a warm and engaging low-end response - just like its custom counterpart, the A12t.

Offering reference-level detail, this IEM has become one of the most highly regarded and sought after audiophile UIEMs. Each ergonomic shell is machined out of a solid piece of titanium in a matte natural color finish.

Tubeless In-Ear Audio (tia)

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 TWELVE Ti: mX, m12, m15, and m20.

Tubeless In-Ear Audio (tia)

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. TWELVE Ti features two major elements of the tia system: the tia driver and the tia single-bore design.

Linear Impedance Design (LID)

Linear Impedance Design (LID) is a patented circuit that corrects the non-linear electrical resistance of the multiple driver-sets comprising this 12 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.

TWELVE Ti Shielded Cable

Specially crafted for TWELVE Ti, this four-core cross-braided cable completes the look for a head to toe titanium aesthetic. Made from silver-plated, single-crystal copper (UP-OCC), it offers outstanding noise shielding and transparent signal transmission, with a low impedance of just 0.29Ω.

Specifications

Material & Design

  • Titanium

  • Tc4 Titanium Shell and Faceplate

  • Tc4 Titanium m20 apex module

  • Electroformed Stainless Steel

Driver Configuration

  • 1 tia High Driver, 1 High-Mid Driver, 6 Mid Drivers, 4 Low Drivers

  • 10 Hz – 20 kHz

  • 108 dB/mW @ 1 kHz

  • 12.6 Ω

  • -10dB to -20dB

Cable Specifications

  • 0.78mm 2-Pin

  • 24 AWG 4-Core Litz Cable, 99 Strands Per Core

  • Silver-Plated UP-OCC Copper

  • 0.29 Ω

Included Accessories

  • TWELVE Ti Universal In-Ear Monitors

  • Carry Case

  • TrueFidelity Foam (S,M,L), SpinFit Silicone (S,M,L), Silicone (S,M,L)

  • 3.5mm Shielded Cable, 4.4mm Balanced Shielded Cable

  • m20, m15, m12, mX

  • Shirt Clip, Cleaning Tool, Cleaning Cloth, Round Sticker

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