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.

C2: Custom 2-Driver IEM

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

 

The C2 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 C2 Custom IEM offers solid detail and covers a frequency range of 20 Hz to 20 kHz.

 

Included in Package

  • Cleaning Cloth
  • Cleaning Brush
  • 1/4″ Adaptor
  • Carry Case
  • Standard Cable
    (MMCX or 2 Pin, Length: 1.2 m)
Specifications

Drivers

  • 2

Type of Drivers

  • Hybrid

Configuration

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

Crossover

  • Nil

Isolation

  • -32dB

Bore

  • 2

Frequency Response

  • 20Hz – 20kHz

Sensitivity

  • 103dB SOK @ 1mW

Impedance

  • 16 Ohms @ 1kHz

THD

  • <=1% @ 1kHz

Warranty Period

  • 1 Year

Refit Policy

  • 30 Days
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

  • -32dB

Bore

  • 3

Frequency Response

  • 18Hz – 23kHz

Sensitivity

  • 114dB SOK @ 1mW

Impedence

  • 13 Ohms @ 1kHz

THD

  • <=1% @ 1kHz

Warranty Perod

  • 1 Year

Refit Policy

  • 30 Days

C4: Custom 4-driver IEM

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

 

The four-driver C4 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 C4 Custom IEMs offers advanced detail and crisp transients, and covers a frequency range of 18 Hz to 23 kHz.

 

Included in Package

  • Cleaning Cloth
  • Cleaning Brush
  • 1/4″ Adaptor
  • Carry Case
  • Standard Cable
    (MMCX or 2 Pin, Length: 1.2 m)
  • Made for iPhone (MFI) Cable*
    (2Pin, Length: 1.2 m, “Apple”-approved Lightning Connector)

*Optional Purchase

C9: Custom 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 Custom IEMS that offer the most accurate response possible. Housed in acoustically-optimized composite material, the Stealth Sonics C9 Custom IEM reproduces extreme detail and covers our widest frequency range of 18 Hz to 40 kHz.

 

Included in Package

  • Cleaning Cloth
  • Cleaning Brush
  • 1/4″ Adaptor
  • Carry Case
  • Standard Cable
    (MMCX or 2 Pin, Length: 1.2 m)
  • Made for iPhone (MFI) Cable
    (2Pin, Length: 1.2 m, “Apple”-approved Lightning Connector)
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

  • -32dB

Bore

  • 3

Frequency Response

  • 18Hz – 40kHz

Sensitivity

  • 108dB SOK @ 1mW

Impedence

  • 16 Ohms @ 1kHz

THD

  • <=1% @ 1kHz

Warranty Perod

  • 1 Year

Refit Policy

  • 30 Days

U2: Universal 2-Driver IEM

For the warmest, smoothest, musical sound

 

The U2 two-driver in-ear monitor features a finely-tuned, crossover-free hybrid-driver design for a soft, blended sonic profile. Housed in acoustically-optimized composite material that is soft and resilient, the Stealth Sonics U2 IEM delivers warm, musical detail and covers a frequency range of 20Hz to 20kHz. The  sound signature is supported by a full-bodied bass and smooth midrange and highs, for a well-textured sonic presentation.

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

For punchy bass, silky midrange, and crystal-clear highs

 

The four-driver U4 in-ear monitor features a balanced armature design favored by anyone seeking the flattest response possible. Housed in acoustically-optimized composite material that is soft and resilient, the Stealth Sonics U4 IEM offers advanced detail and crisp transients, and covers a frequency range of 18Hz to 23kHz. The sound signature is supported by a punchy bass, a silky midrange and crystal-clear highs, for a fully balanced listening experience.

U9: Universal 9-driver IEM

For extreme detail, precision and clarity

 

Our flagship 9-driver model is a hybrid system designed for anyone who requires the most accurate sonic profile. It features a precision-calibrated large diameter dynamic driver together with four Super-High drivers. Housed in acoustically-optimized composite material that is soft and resilient, the Stealth Sonics U9 IEM reproduces extreme detail and covers our widest frequency range of 18Hz to 40kHz. The sound signature is supported by a deep bass response, beautifully transparent midrange and crystal-clear, open highs that are powered by four Super-High drivers. Crisp transients and an immersive soundstage round out a truly superior listening experience.

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.

Make an Impression with Custom Series

Our 2-driver, 4-driver and 9-driver IEMs also come as custom-molded systems that take advantage of your ear’s second-bend impressions. The sound fundamentals of acoustic engineering and audiology have proven that our process allows your custom IEMs to conform precisely to your inner ear canal and provide unparalleled isolation (up to -36db), superior fidelity, minimal acoustic interference and perfect fit.

 

For the ultimate in personalization, you can choose from dozens of colors and accessories and also feature your custom artwork to express your unique style and brand. All custom IEMS feature either a dual or triple bore sound aperture. Stealth Sonics finishes are highly-polished, seamless unibody design. Add all custom-fit IEMs come with a 30 day refit policy.

 

Check out www.stealthsonics.com for customization options including colors, cables and accessories.

Accessories

All universal IEMs come with Khameleon Skinz (R), the world’s first interchangeable screw-on face plate accessory. Other available accessories include an array of eartips in different sizes and styles.

There is also a wide range of interchangeable cables, including detachable silver-wire, copper-wire, lightening, USB-C, and Bluetooth cables for tailoring your sonic experience to your lifestyle.

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