64Audio U4s vs Volur
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64Audio U4s vs Volur

Introduction

The 64Audio U4s and Volur are high-end hybrid IEMs designed to deliver exceptional sound and features for the discerning audiophile. Let's dive into each model and discover key differences in design, sound, features, and price so you can find the right IEM for your listening preferences.

Not the right fit? Browse other 64Audio IEMs.



64auduio u4s vs volur front view on keycaps

64Audio U4s vs Volur Price Comparison

The U4s and Volur sit at two difference price brackets.

The U4s comes in at $1,099.00.

The Volur comes in at $2,499.00.

The Volur costs 2.3x more than the U4s. Let's dive deep into the specs, design, sound signatures, and features of both so you can get a better idea of what each IEM brings to the table.


The 64Audio U4s

The U4s is a 4-driver hybrid IEM tuned to deliver a balanced yet smooth sound for extended listening sessions. It combines a large dynamic driver and three balanced armatures to deliver powerful bass and natural vocal performances.

64Audio U4s Features:

  • Hybrid driver configuration with one dynamic and three balanced armature drivers​.
  • tia® driver technology for high-frequency clarity​.
  • Apex® (Air Pressure Exchange) modules for customizable sound and isolation.
  • LID® (Linear Impedance Design) for consistent sound across different sources.​
  • Ergonomic design for comfortable extended use​.

64Audio U4s Specs:

Driver Configuration: 1 dynamic driver (lows), 2 balanced armature drivers (low mids, high mids), 1 tia® driver (highs)

Frequency Response: 10Hz – 20kHz

Sensitivity: 107 dB/mW @ 1kHz @ 1mW (94mV)

Crossover: Integrated 4-way passive crossover

Isolation: -20dB (m20 module), -15dB (m15 module), -10dB (mX module)


64auduio u4s vs volur u4s front view with cables

The 64Audio Volur

The Volur is a flagship hybrid universal IEM from 64Audio, designed to deliver impactful bass and accurate sound across a wide range of genres. It packs a dual dynamic driver setup alongside multiple balanced armatures for top-tier sound performance.

64Audio Volur Features:

  • 10-driver hybrid configuration with dynamic and balanced armature drivers​.
  • tia® driver for enhanced high-frequency reproduction​.
  • Apex® modules for adjustable noise isolation​.
  • True Isobaric™ design for accurate bass response​.
  • Premium materials, including responsibly harvested New Zealand Paua shell for the faceplate​

64Audio Volur Specs:

Driver Configuration: 2 low dynamic drivers, 6 mid balanced armature drivers, 1 high-mid balanced armature driver, 1 tia® high balanced armature driver

Frequency Response: 5Hz – 22kHz

Sensitivity: 103 dB/mW @ 1kHz @ 1mW (94mV)

Impedance: 6.3Ω @ 1kHz

Crossover: Integrated 4-way passive crossover

Isolation: -20dB (m20 module), -15dB (m15 module), -12dB (m12 module), -10dB (mX module)


64auduio u4s vs volur volur front view with cables

Design and Build Quality

64auduio u4s vs volur u4s front view tilted inward

The U4s features 64Audio's aluminum half-moon shell design for an ergonomic fit. The shells are small and lightweight, offering good comfort for long listening sessions. The faceplates feature a meteorite-like design for a striking aesthetic.

64auduio u4s vs volur front view without cables

The Volur has a similar shell shape and build as the U4s. It features 64Audio's aluminum half-moon shells for a lightweight feel and an ergonomic fit. Its faceplates are made of premium New Zealand Paua shells for a luxurious look and feel.


Sound Signature

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.

64Audio U4s Sound Signature

The 64Audio U4s features a balanced sound signature with a slightly prominent bass boost. It delivers strong bass rumbles and impacts without affecting vocal and instrumental clarity and accuracy. Its treble is well-extended but smooth, offering good sparkle and detail without harshness.

Volur Sound Signature

The Volur features a V-shaped tuning which emphasizes bass and treble frequencies for an engaging listening experience. Bass is the Volur's strongest point, offering a powerful and visceral bass response for an energetic sound. Its mids deliver exceptional vocal clarity, while its treble is detailed and airy.


Price and Value

At $1,099, U4s is one of the most affordable 64Audio IEMs. For that price, you're getting a 4-driver hybrid IEM with exceptional sound quality, a robust and premium build, and exciting features like the swappable Apex Modules for customizable sound and noise isolation.

The $2,499 Volur is a flagship IEM packed with all the latest 64Audio Technologies. With the Volur, you get a high-end multi-driver setup, highlighted by the dual dynamic drivers in True Isobaric configuration, and an exciting tuning with exceptional clarity and detail. The Volur comes in a lightweight and robust shell with premium faceplates, plus you also get swappable Apex Modules for customizable sound and noise isolation.


Our Thoughts

Get the U4s if you want a fun-sounding IEM that you can enjoy for extended listening sessions. Its smooth and warm tuning suits a lot of mainstream genres like Pop, R&B, and EDM, and its swappable Apex Modules let you fine-tune sound and noise isolation to your liking.

The Volur is the IEM you want if you want to experience next-level bass and detail in your music. Its dual dynamic drivers in True Isobaric design bring next-level bass power, texture, and impact to your tunes, while the finely-tuned balanced armatures deliver natural vocal performances that will surely wow. Couple that exciting sound signature with an eye-catching build and swappable Apex Modules, and you have an exciting IEM for every occasion.

Another IEM to consider in this price range is the 64Audio U12t. The U12t features a 12-driver configuration and swappable Apex Modules for exceptional sound quality and comfort. Its balanced sound signature delivers top-of-the-line clarity, accuracy, and soundstage to your listening sessions.


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