Listen Only Earpiece System Product Comparison
Soundwaves®  UltraLight VS. The Hollow Coil
• Achieve High Quality Sound at Lower Volume Settings
• Eliminate Pinched off Sound, Echoing & Friction Noises  
• Reduce 10-9s & Key Counts
Hear The Difference For Yourself
Soundwaves®
UltraLight
Hollow Coil
A - Note the location and the position of the speaker in the standard hollow coil. Located
at the bottom, sound must travel 19 inches before reaching the ear. The SoundWaves®
UltraLight uses a high quality, moisture resistant speaker that is specifically tuned to
human speech. It is positioned so that the sound is delivered directly up the tube and
only travels 2 inches before reaching your ear. Fact: the speaker used in the
SoundWaves®  UltraLight typically outlasts ones used in the hollow coil by 3:1.

B - The SoundWaves® UltraLight is wired through the coil so ambient sound
penetration is reduced. Additionally, sound pinch-off and condensation are eliminated.

C - The SoundWaves® UltraLight uses super elastic tubing, which resists breakdown
due to body acids.

D - Both units are adaptable to the hand crafted and injection molded stock earpieces,  
but for maximum comfort on long shifts a
custom ear mold can be fitted to these units
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Tactical Supply Industries, Inc.
The Tactical Advantage In Critical Communications