64Audio Fourté IEM
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64Audio Fourté IEM

$3,599.00
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Unmatched Audio Clarity at Your Fingertips with the 64Audio Fourté

The 64Audio Fourté's unique design and cutting-edge technologies served as the benchmark for all future 64Audio IEMs. With a complete tia system and integrated Apex, the Fourté will wow you with its big, speaker-like sound and next-level clarity.

64 audio fourte front view with cables

What's In The Box?

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

  • Fourté 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 Black Premium Cable
  • Cleaning Tool
  • Cable Clip
  • Round Sticker
64 audio fourte box and accessories laid out on white background

64Audio Fourté In-Ear Monitor Technical Details

The Fourté comes with groundbreaking 64Audio technologies for unbeatable comfort and sound.

  • Tubeless In-Ear Audio (tia)
  • Air Pressure Exchange (Apex)

Immersive Powerful Sound That's Sure to Wow - tia Fourté

The 64Audio Fourté will impress with its powerful natural bass, crystal-clear resolution, and expansive soundstage.

Listen to your favorite tunes with speaker-like impact and hear your favorite artists with life-like tone and clarity. The Fourté wide soundstage and pinpoint accurate sound make you feel like you're part of the performance, unlocking a new dimension of listening immersion.

64 audio fourte front angled close up view

Trend-setting Shape and Polarizing Design - 64 Audio tia Fourté

The 64Audio Fourté is the first 64Audio IEM to feature the now familiar half-moon shell shape.

Exclusive to the tia Fourté is a bright orange aluminum shell color and turquoise face plates - a stunning combination that will surely turn heads wherever you go.

The Fourté's ergonomic machined aluminum shells are lightweight and robust making them easy to wear for extended periods.

64 audio fourte close up on dark torquoise surface

Experience Unmatched Comfort and Immersive Soundstage with Integrated Apex - 64Audio Fourte IEM

The 64Audio Fourté's features integrated Air Pressure Exchange technology (Apex) for unbeatable in-ear comfort and improved soundstage.

With the revolutionary Apex system built into the shells themselves, you're getting pressure release and noise isolation comparable to 64Audio's m20 module.

64 audio fourte internal components outlines exploded view

Enjoy Pure Sound Directly To Your Ears with Full Tia Suite- tia Fourté

The tia Fourté is one of the first 64Audio IEMs to feature a full Tia system comprising the tia open BA Drivers, tia Single-Bore Design, and tia Acoustic Chambers.

The complete tia system ensures sounds produced by the Fourté drivers are delivered straight to your ears without any sound-altering obstructions for the purest sound experience.

64 audio fourte tia single bore

Robust and Classy - Fourté Black Premium Cable

Enjoy a reliable connection and comfortable feel with the tia Fourté Black Premium Cable:

  • 0.23 Ohms Total Impedance
  • 7 x 7 x 4 Multi-Twist
  • Silver Plated OCC Copper Wire
  • 26 AWG
  • Terminated in 3.5mm
64 audio nio black premium cable on white blocks

64 Audio Fourté Frequency Response

The 64 Audio tia Fourté covers frequencies starting from 5hz and extending to 22kHz - allowing for a wide range of frequencies to be reproduced accurately.

64Audio U12t vs tia Fourté

U12t:

9 Drivers

10hz – 20kHz Frequency Response

6Ω Impedance @1kHz

Integrated 4-way Passive Crossover

tia Fourté:

4 Drivers

5hz – 22kHz Frequency Response

10Ω Impedance @1kHz

Integrated 4-way Passive Crossover

Our Analysis:

  • The U12t is meant as an all-rounder, focusing on flat sound signature and precision for reference-level IEM listening.
  • The Fourté and its bold tuning is meant for fun and immersive listening sessions.

64 Audio Fourté Price

The 64Audio Fourté is a flagship universal hybrid IEM. Priced at $3,599, the Fourté offers a bold, powerful sound and great in-ear comfort for enjoyable music listening sessions.


64 Audio Fourté Specs

Specification Description
Driver Configuration: 1 tia High Driver – 1 High-Mid Driver – 1 tia Mid Driver – 1 Dynamic Low Driver
Frequency Response: 5hz – 22kHz
Sensitivity: 114dB Sensitivity @1kHz @1mw
Crossover: Integrated 4-way Passive Crossover
Impedance: 10Ω Impedance @1kHz
Apex Technology Isolation: -20dB Internal Apex Technology

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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.