U9 | UNIVERSAL 9 DRIVER HYBRID IEM
U9 | UNIVERSAL 9 DRIVER HYBRID IEM
U9 | UNIVERSAL 9 DRIVER HYBRID IEM
U9 | UNIVERSAL 9 DRIVER HYBRID IEM

U9 | Sound Engineer's Soulmate

Universal 9 Driver Hybrid In-Ear Monitors

$1,538.00
  • Designed for extreme detail, precision and clarity
  • Ultimate studio In-Ear Monitors
  • In-built hearing protection Klarity Valve© for all-day listening

Ships next business day

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Reviews

By way of comparison, these are like Ferraris and Beats by Dr Dre are an old broken down jalopy.

Glenn Fricker | Sound Engineer | Spectre Sound Studios

It was the first time that I felt like I could utilise a set of in-ears for mixing and trust them.

Alessandro Cortini | Nine Inch Nails

These are the best fitting in-ears I've had in my entire life. I actually use these to test out albums that has been mastered.

JT Daly | Grammy Nominated Producer

Bass is taut and controlled. From the mid band on up, it really teases out technicalities, details and air. With treble presentation that stays on my good side of bright.

Jude Mansilla | Audiophile | headfi

Stealth Sonics U9 In-Ear Monitors cost significantly less than many competitor products without a compromise in their sound quality, durability or accessories.

ProSound News

Besides boasting ridiculously good sound quality, provides excellent value for money for what you’re getting. 

Headphonesty

The U9 offer clarity and detail at a very high level, while maintaining smoothness and accuracy in the reproduction of instruments.

Twister6

Tuned For Extreme Precision

Deep bass response, beautifully transparent mid-range, crystal clear open highs with an immersive soundstage.

Free Your Ears

At only 4 grams per side, experience ultralight comfort with the lightest IEMs ever.

Made By Professionals, For Professionals

Designed with inputs from renowned audio engineers and musicians around the world over many months.

Reduced Ear Fatigue

Listen all day with our proprietary designed in-built pressure relief Klarity Valve©.

Technology inside the U9

Click on the icons to learn more.

Frequency Response U9

Superior Listening Experience

Featuring our widest frequency range, touted as one notable audiophile saying that it will allow the wearer to "hear dolphins serenading canines on the beach." The sound signature is supported by a deep bass response, beautifully transparent mid-range, crystal clear open highs that are powered by four super-high drivers. The U9 delivers an immersive soundstage to round out a truly superior listening experience.

Packed With Technology

At only 4.16 grams a side, the U9 is deceivingly light yet packed with proprietary innovations stemming from Audiology and Aerospace, to allow for the best listening experience, reduced ear fatigue, soft touch comfort, amongst other In-Ear Monitors in the market.

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Made For Professionals

Painstakingly tuned and designed as the ultimate studio monitor with inputs from renowned audio engineers and musicians around the world over many months, the U9 is our flagship model that has been enjoyed and celebrated by the same people who helped craft them.

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Custom Options Available

For those chasing sonic perfection, the U9 is available as the C9 Custom In-Ear Monitors.
Achieve up to -36dB with an absolute seal, translating into the best possible isolation and sound reproduction from our In-Ear Monitors.
Have it your way, however you want it.

Build Your Own

Come try the U9

Stealth Sonics Pte. Ltd
140 Paya Lebar Road #07-11
AZ@Paya Lebar
Singapore 409015

Mon - Fri ,1pm - 5pm

Book A Product Demo

About Stealth Sonics

With roots in Pro-Audio, Audiology and Aerospace, our carefully tuned In-Ear Monitors deliver amazing high-resolution audio, superior sound isolation, all-day ultralight comfort and in-built hearing protection for musicians, audio professionals, audiophiles and gamers alike. Designed and Assembled in Singapore, The Lion City.

Technical Specifications

Drivers1x Dynamic Neodymium 9mm High-density Magnetic, 2x Balanced Armature (Mid), 2x Balanced Armature (High), 4x Balanced Armature (Super High)
In-Built Hearing ProtectionKlarity Valve© for Pressure Relief
Isolation-26dB (-36dB for Customs) 
Frequency Response18Hz to 40kHz
Impedance16 Ohms @ 1kHz
Weight4.16 Grams Per Monitor
Warranty1 Year

FAQ