Challenger™ I Monitor Earphone

The custom fit and sturdy construction provide prolonged use during even the most demanding work or leisure activities. The Challenger I is now used for monitoring on-stage as well as listening enjoyment during all forms of athletic activity.

The full helix earmold design of the Challenger I provides a waterproof seal of the ear canals that allows affordable, customized high quality audio to go wherever you go. It can be worn for personal stereo monitoring while swimming, jogging and motorcycling or stationary activities like multimedia monitoring or virtual reality. Most important, the Challenger I Monitor Earphone is for those who would like to experience true in-ear monitoring but can't afford to make the leap to the Challenger Pro Monitor Earphone yet.

When accurate stereo monitoring is what you need, the Challenger I helps eliminate external noise and enhances your listening enjoyment! Frequency response: 20Hz-20kHz; Impedance: 19 ohms; Sensitivity: 98dB.

Eartip Option (Challenger G)
The earphones fit into the ear canals with flanged soft plastic eartips.

Custom Earmold Option

Contact a Precision Laboratories affiliated hearing healthcare professional for price and availability.

Challenger™ Pro Monitor Earphone

The revolutionary design of the Challenger Pro Monitor Earphone incorporates canal-style earpieces that provide an aesthetic profile in the ear. Each earpiece is custom-molded to the second bend of your own ear canal. This is the only design that seals the ear canal from harmful sound pressure levels, thus increasing the quality of the perceived sound at the ear and increasing safe listening time.

Comfort is optimized with the Challenger Pro Monitor Earphone due to the use of Vinyl Seal™ process earmolds. The proprietary Vinyl Seal process results in an earmold shell that combines the strength of acrylic with the comfort of vinyl.

Challenger™ Pro Monitor Earphone

The Challenger Pro Monitor Earphone uses dynamic subminiature transducers produced specifically for Precision Laboratories that have a wide frequency response in-the-ear (10Hz to 22kHz). A system of filters is used to smooth the output of these transducers and the resulting sound is undeniably flat.

The components of the Challenger Pro Monitor Earphone's unique sound are housed entirely within the earpieces. No venting is required to produce deep, tight bass and crisp, clear highs. You will hear all of your music exactly as it is produced.

Precision Laboratories is dedicated to the concept of custom-molded high fidelity hearing protection for musicians and sound engineers. The Challenger Pro Monitor Earphone is the first monitor to offer Precision Laboratories' proven technology, reliability and high quality sound. Frequency response: 10Hz-22kHz; Impedance: 19 ohms; Sensitivity: 108dB.

Contact a Precision Laboratories affiliated hearing healthcare professional for price and availability.

ER-4 MicroPro Earphones

"Profound bass, direct and distortionless response, and phenomenal isolation from environmental noise." - Stereophile, July 1995

The ER-4 MicroPro Earphones produce transparent, reference-quality sound. The lack of coloration results in smooth treble, full bass (no boominess), clear and natural piano, percussion and orchestral music.

These revolutionary earphones allow you to hear the full dynamic range of today's digital recordings without having to play it at unnaturally high and unsafe levels.

ER-4 MicroPro Earphones

Whether you're in the office, on a train, in an airplane, or at home, the ER-4 MicroPro Earphones isolate you from the outside world. The soft rubber eartips or custom earmolds seal comfortably inside your ear canal to eliminate virtually all external background noise. Since you don't have to boost the volume to compensate for external noise, distortion is minimized.

Whatever type of music you enjoy, you'll enjoy it even more with the sound-isolationg ER-4 MicroPro Earphones. You will hear a realistic reproduction of recordings with these stereo earphones that you never heard before.

Eartip Option
The earphones fit into the ear canals with either flanged soft plastic eartips or foam eartips. The plastic eartips can be cleaned and reused.

Custom Earmold Option
As an alternative to the eartips that are supplied with ER-4 Earphones, custom earmolds can be ordered from Precision Laboratories.

Contact a Precision Laboratories affiliated hearing healthcare professional for price and availability.

* MicroPro is a registered trademark of Etymotic Research.