Stealth Series: Custom and Universal In-Ear Monitor Systems

Most people don’t know that your ear is a unique acoustic machine, with a frequency response all its own. And like fingerprints, every ear is different.

That’s why we offer IEMs in both convenient, affordable universal-fit models or custom-tuned systems offering the ultimate in personalization. Choose from three multi-driver configurations, including balanced-armature and hybrid-driver options.

Our Precision-Tuned In-Ear Monitoring Systems use our proprietary SonicFlo technology to engineer second-bend impressions that conform exactly to your inner ear canal, for superior fidelity, minimal acoustic interference and a perfect fit.

Our universal in-ear monitors offer convenience, customization and value at every price point. All universal IEMs feature Stealth Damping Technology with removable faceplates for extending bass response, and a variety of cable options to further fine-tune your experience.

All of our custom and universal in-ear monitor systems are built using our Iso-Stealth technology adapted from our aerospace technology innovations, for optimum isolation, anywhere.

U2: Universal 2-Driver IEM

Professional musicians love the warm, full-bodied bass and silky midrange and highs.

 

The U2 two-driver in-ear monitor features a finely-tuned, crossover-free hybrid driver design for a smooth sonic experience that’s ideal for musicians and music lovers. Our in-ears are optimized for use for both on and off stage. Housed in acoustically-optimized composite material, the Stealth Sonics U2 IEM offers solid detail and covers a frequency range of 20 Hz to 19 kHz.

Specifications

Drivers

  • 2

Type of Drivers

  • Hybrid

Configuration

  • 1x Dynamic (Low/Mid)
  • 1x Balanced Armature (High)

Crossover

  • Nil

Isolation

  • -26dB

Bore

  • 2

Frequency Response

  • 20Hz – 20kHz

Sensitivity

  • 103dB SOK @ 1mW

Impedance

  • 16 Ohms @ 1kHz

THD

  • <=1% @ 1kHz

Warranty Period

  • 1 Year
Specifications

Drivers

  • 4

Type of Drivers

  • Balanced Armature

Configuration

  • 1x Balanced Armature (Low)
  • 1x Balanced Armature (Mid)
  • 1x Balanced Armature (High)
  • 1x Balanced Armature (S/High)

Crossover

  • 4-Way

Isolation

  • -26dB

Bore

  • 3

Frequency Response

  • 18Hz – 23kHz

Sensitivity

  • 114dB SOK @ 1mW

Impedence

  • 13 Ohms @ 1kHz

THD

  • <=1% @ 1kHz

Warranty Perod

  • 1 Year

U4: Universal 4-driver IEM

Music producers enjoy the beautiful, neutral bass and a smooth midrange with sweet highs.

 

The four-driver U4 in-ear monitor features an all-balanced armature design favored by music producers, music lovers and anyone seeking the flattest response possible. Housed in acoustically-optimized composite material, the Stealth Sonics U4 IEMs offers advanced detail and crisp transients, and covers a frequency range of 22 Hz to 20 kHz.

U9: Universal 9-driver IEM

Musicians, mastering engineers and audiophiles dig the deep bass response, beautifully-detailed low-mid and mid-range response and crystal-clear, open highs.

 

Our flagship nine-driver system is a hybrid driver model used by professional musicians, mastering engineers, audiophiles and anyone who wants IEMS that offer the most accurate response possible. Housed in acoustically-optimized composite material, the Stealth Sonics U9 IEM reproduces extreme detail and covers our widest frequency range of 18 Hz to 22 kHz.

Specifications

Drivers

  • 9

Type of Drivers

  • Hybrid

Configuration

  • 1x Dynamic (Low)
  • 2x Balanced Armature (Mid)
  • 2x Balanced Armature (High)
  • 4x Balanced Armature (S/High)

Crossover

  • 4-Way

Isolation

  • -26dB

Bore

  • 3

Frequency Response

  • 18Hz – 40kHz

Sensitivity

  • 108dB SOK @ 1mW

Impedence

  • 16 Ohms @ 1kHz

THD

  • <=1% @ 1kHz

Warranty Perod

  • 1 Year

KozyFit: Customize Your Universal IEMs

Upgrade your own universal-fit IEMs with our KozyFits, which house your monitors in a custom enclosure that’s engineered to your ear measurements, for a snug, slip-free fit that provides the benefits of a custom IEM without the cost.
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