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64Audio U18s IEM
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64Audio U18s UIEM front view

64Audio U18s IEM

$2,999.00
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Unlock your music’s true potential with the 64Audio U18s IEM

Ever wondered what 18 drivers sound like? You won't have to wonder no more - the 64Audio U18s packs an unprecedented 18 drivers and a host of 64Audio tech to give you one of the most immersive music listening experiences possible.

 64 audio u18s front angled view without cables

What's In The Box?

Everything you need is included with the 64Audio U18s IEMs!

  • U18s 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 8-Braid Silver Cable
  • Apex Modules: m20, m15, mX
  • Round Sticker
 64 audio u18s box and accessories laid out on white background

64Audio U18s In-Ear Monitor Technical Details

The U18s comes with revolutionary proprietary 64Audio technologies for enhanced comfort and sound.

  • Tubeless In-Ear Audio (tia)
  • Air Pressure Exchange (Apex)
  • Linear Impedance Design (LID)
  • Electrical Low-Pass Filter

Tuned for a smooth listening experience - 64Audio U18s

The U18s took everything great about the legendary U18t and turned it on its head - in a good way.

The U18s 18-drivers is tuned to deliver a darker, warmer sound signature with the same insanely detailed and accurate sound the U18t is known for. A truly unique tuning evolution for audiophiles looking for a more laid back sound signature.

 64 audio u18s side and front view with white braided cable

Prepare to turn heads with the 64Audio U18s aerospace-grade CNC shells

Built using aerospace-grade aluminum billet, the CNC milled U18s shells are sand blasted, fly cut, and anodized twice for outstanding fit and finish.

The 64Audio U18s faceplates, inspired by spiderwebs, offer a unique debossed texture and exquisite looks that goes beyond typical 64Audio designs.

 64 audio u18s top view with cables on black mesh

Tubeless In-Ear Audio drivers for detailed high-frequencies - 64 Audio U18s

64Audio's tried-and-true tia driver drives the U18s, delivering exceptionally transparent sound and impressive detail at the highest frequencies.

The U18s features both the tia driver and tia single-bore design which guarantees a distortion-free, life-like sound.

64 audio u18s tia high driver

Air Pressure Exchange - enjoy in-ear comfort on the U18s like no other

The U18s comes with the m20, m15, ad mX Apex Modules out of the box for unbeatable sound and comfort.

Dial in your preferred level of noise isolation, from a subtle -10dB to an immersive -20dB, and get the sound and comfort you want from your U18s IEM.

64 audio u18s mx apex module top and side view

Smooth cohesive sound, no matter the source - Linear Impedance Design

The differences in driver electrical resistances can skew a driver's frequency response the wrong way, affecting the overall sound reproduction of your IEMs.

LID technology ensures the U18t IEMs deliver consistent, reliable performance across any music player or amplifier - you won't have to worry about matching these IEMs with the perfect source.

 64 audio u18s tia single bore

Subtle elegance - U18s 8-Braid Silver Cable

The U18s comes with a special high-quality braided silver cable that's unlike any other cable from 64 Audio.

  • 8 Conductors
  • 0.28 Ohms Total Impedance
  • Pure Silver Plated Oxygen-Free Copper Wire
  • 65 Strands of 44 AWG Wire
  • Low Microphonics
 64 audio u18s white braided cable coiled on black fabric

64 Audio U18s Frequency Response

The U18s covers frequencies starting from 10hz and extending to 20kHz - allowing for a wide range of frequencies to be reproduced accurately.

64Audio U18s vs U12t

U18s:

18 Drivers

10hz – 20kHz Frequency Response

8Ω Impedance @1kHz

Integrated 4-way Passive Crossover

U12t:

12 Drivers

10hz – 20kHz Frequency Response

12.6 +1/-2 Ω Impedance from 10hz – 20kHz

Integrated 4-way Passive Crossover

Our Analysis:

  • The U18s is meant for a smooth listening sessions with its warm and laid back sound.
  • The U12t is meant as an all-rounder, focusing on flat sound signature and precision for reference-level IEM listening.

64Audio U18s vs U18t

U18s:

18 Drivers

10hz – 20kHz Frequency Response

8Ω Impedance @1kHz

Integrated 4-way Passive Crossover

U18t:

18 Drivers

10hz – 20kHz Frequency Response

9Ω Impedance @1kHz

Integrated 4-way Passive Crossover

Our Analysis:

  • The U18s is tuned darker and warmer than the U18t. U18s sounds more similar to the U12t vs the U18t in terms of overall sound signature. Best for detailed yet relaxed listening sessions.
  • The U18t is meant for producers or artists looking for the most accurate sound reproduction with the best detail and clarity.

64 Audio U18s Price

The 64Audio U18s is a flagship universal IEM. For the price of $2,999, the U18s offers a non-fatiguing yet detailed and sound that's perfect for long listening sessions.

64 Audio U18s Specifications
Specification Description
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 @ 1mW (84mV)
Crossover: Integrated 4-way Passive Crossover
Impedance: 8Ω Nominal Impedance
Apex Technology Isolation: -20dB, -15dB, -10dB

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Shipping is FREE on all orders to customers within the USA.

We don't want to mess around with fine print and extra charges. We like things to be simple and easy. 

Here's how shipping works around here:

  1. Place your order
  2. You'll receive a confirmation e-mail. This means we've received your order and have pre-authorized your payment method.
  3. We check the stock levels on your product.
    • If it's available, we'll get it shipped within 3 business days.
    • If it's not available, we'll reach out by email and make alternate arrangements.
    • If you placed a pre-order, we'll keep you updated by email on the status of your order.
  4. You'll receive another email with shipping/tracking information.

Learn More

We get it. Audio gear can be subjective. That's why we offer our industry-leading 365 day return policy. Here's a quick rundown;

  • 365 Day Returns, for ANY reason.
  • ZERO Return Shipping Cost
  • You will receive your hard-earned money back in your pocket, NOT store credit.

Learn More

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at HiFiSoundGear.

  • 365 Day Returns. Not happy with your product? We'll buy it back.
  • Free Shipping in the USA. No extra charges. Ever.
  • Price Match Guarantee. We'll beat another authorized dealer by 5% for the best prices online, guaranteed.
  • Zero Shenanigans. If we can't help you, we won't pretend like we can.
  • Old-School Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, and we know you'll love them. But if there is ever something wrong, we'll fix it.
  • No Taxes (Except in CO) We're small enough that we don't need to charge taxes on your orders in any state but Colorado.