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The 3D Active Ambient Earphones are an all-new design, with innovative drivers (miniature speakers) and tiny microphones embedded within soft-gel silicone earpieces. Each pair of Sensaphonics custom earphones are hand-crafted in our factory to ensure a perfect fit, tight seal and long-wearing comfort. The silicone material will not break, shrink, harden or discolor. 3D ambient earphones come with a field-replaceable cable.

Available models:

• 3D-1 - Single-driver balanced armature design boasting the same sonic signature as our acclaimed ProPhonic 2X-S
• 3D-2 - Dual-driver balanced armature design for maximum headroom and stronger bass response

The earpieces contain precision condenser microphones that are custom-tuned to provide the same natural sound quality as the open ear. This forms a binaural system that literally lets you hear ambient sound in three dimensions - left/right, front/back, and up/down - with natural sound quality and directionality, and no distortion up to 140 dB.

For optimum performance, it is critical to keep the sound output ports of your 3D earphones open and free of wax and other debris. A handy cleaning tool is supplies for this purpose. If debris is allowed to build up in the sound ports over time, the ports may become clogged, resulting in reduced level or a muddy, muffled sound quality.

Earphone cleaning tool.

Cleaning Instructions

1. Before each use, inspect the sound ports of your earpieces. We recommend working in a clean, well-lit space.
2. Using the wire loop on one end of the supplied cleaning tool, remove any cerumen (earwax) from inside the sound ports.
3. Use the brush on the other end of the cleaning tool to clear the cerumen and other debris away from the sound ports.

Deep inside each sound output port is a small mesh filter. The filter ensures smooth frequency response while keeping cerumen (earwax) away from the miniature drivers (speakers). If your earphones should become so clogged that you cannot clear the sound ports with your cleaning tool, it may become necessary to have the internal filters replaced by Sensaphonics. If this situation arises, please contact us immediately.

MICROPHONE PORTS

The tiny microphones within your earpieces form a binaural system. This provides extremely accurate location cues for ambient sounds. The mics are protected by filters in the form of grey acoustic mesh encased in small silver barrels, which also helps ensure a full, natural frequency response.

The microphone ports face outward, with the filters located just inside the opening. Like the in-ear sound output ports, the microphone ports must be kept clear of debris. Inspect your earpieces prior to every use. Carefully use the supplied cleaning tool to brush away any debris.

3D Earphone Cable
The custom earphone cord is 48 inches long (custom lengths available) and field replaceable. The cable is both flexible and heavy duty, and should not fail in normal service. Integral bend maintainers to help retain a nice fit over the ears. The cable is secured to a 4-pin receptacle within each earpiece with a nylon pan head screw.

3D Active Ambient Page Links
3D Main Page
3D Bodypack Mixers
System Set-up (3DAA)
System Set-up (3DHW)
Operating Modes
Internal Controls
Indicator Lights
Inserting Earphones
Tech Notes
Technical Specifications
3D User Guide PDF (2.7 MB)

Helpful Links
How To Order
Audiologist Referral
Hearing Conservation info
Sensaphonics Audio Seal Test