U4 | The Musician's Choice
Universal 4 Driver Balanced In-Ear Monitors
- Punchy Bass, Silky Mids and Crystal Clear Highs
- High-Resolution 3D Audio made for professionals
- In-built hearing protection Klarity Valve© for all-day listening
Ships next business day
Other Stealth Sonics In-Ear Monitors
Great quality stage monitors that offer the complete package, a smooth and fatigue free signature combined with a very light weight and Klarity Valve to make them as comfortable as it gets.
With Stealth Sonics (IEMs) is that the fatigue is basically non-existent.
Craig Wayne Boyd | Winner of The Voice S7
Confusingly powerful bass in a fully balanced armature setup—how the heck you do that Stealth Sonics!?
Despite the U4’s low-end emphasis, a cleverly tuned upper-midrange and low-treble gives higher-pitched vocals a vibrant, crystalline quality.
The Headphone List
It feels like I’m riding a wave! The amount of energy starting from the low end creates this natural motion in which the higher frequencies start to smooth off.
Signature Sound Profile
Punchy bass, silky and detailed mid range and crystal clear high and super highs for a fully balanced listening experience.
Free Your Ears
At only 4 grams per side, experience ultralight comfort with the lightest IEMs ever.
Preferred Choice For Musicians
Sound usually comes down to personal preferences. The U4 happens to be the preferred In-Ear Monitors for many musicians.
Reduced Ear Fatigue
Listen all day with our proprietary designed in-built pressure relief Klarity Valve©.
Balanced Listening Experience
The 4 driver In-Ear Monitors offers a punchy and energetic profile that is focused on delivering advanced detail and crisp transients to its wearer to heighten the music experience. The sound signature features a punchy bass, silky and detailed mid range and crystal clear high and super highs for a fully balanced listening experience.
Packed With Technology
At only 4.16 grams a side, the U4 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.Learn More
Celebrated By Musicians
Our most popular till date, the U4 is the preferred In-Ear Monitors for many renowned musicians across the world. U4 has been tried and tested on the road, in the studio and on the big stages.Learn More
Custom Options Available
For those chasing sonic perfection, the U4 is available as the C4 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.
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.
|Drivers||1x Balanced Armature (Low), 1x Balanced Armature (Mid), 1x Balanced Armature (High), 1x Balanced Armature (Super High)|
|In-Built Hearing Protection||Klarity Valve© for Pressure Relief|
|Isolation||-26dB (-36dB for Customs)|
|Frequency Response||18Hz to 23kHz|
|Impedance||13 Ohms @ 1kHz
|Weight||4.16 Grams Per Monitor|
The In-Ear is made up of many components that is sourced from various countries such as Denmark, China and USA. The metals and plastics are made in China, the cables are made right here in Singapore. The products are fully assembled, tested and packaged in Singapore.
It is compatible with all devices with a standard audio input (3.5mm audio jack).
Yes it does. Audio staging, or surround sound, is specifically tuned for the Vulcan to provide accurate spatial sound information.
All Stealth Sonics products purchased directly from stealthsonics.com are automatically registered for warranty.
The product serial number is on the warranty card within the product package.
If you are unhappy with your purchase, do write in to firstname.lastname@example.org and we will try our best to resolve your issue. In the event you proceed to request for return, we will accept them and offer a refund on product purchase price (shipping is not included) within 5 days from the day the product was delivered to you.