acoustic seal

acoustic seal

[ə′küs·tik ′sēl]
(engineering acoustics)
A joint between two parts to provide acoustical coupling with low losses of energy, such as between an earphone and the human ear.
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They also have a highly effective acoustic seal, further reinforcing the headphones powerful sub-bass reproduction.
Ergonomic features include user-exchangeable bows, self-adjusting housings, soft leather cups and slow-retention ear-cup foam, all of which go a long way in ensuring a comfortable fit and an optimal acoustic seal on the ear.
There's excellent sound quality at both the high and low ends - the booming bass is superb - while an acoustic seal blocks out all the annoying background noise.
The mic port hole aligns with a corresponding hole designed into the PCB, and a solder pad around the port hole provides an acoustic seal between the microphone and the main phone PCB.
The ear pads are made of a soft and pliable butyl rubber material for an acoustic seal and the best hearing protection.
A check for a proper acoustic seal was performed prior to each test to ensure that outside noise did not contaminate the results.
The lightweight design features soft touch oval- shaped cushions that ensure comfort during extended wear while providing an acoustic seal for blocking ambient noise.
With their pressure-relieving memory foam ear pads, the X Headphones conform to each listener s unique ear shape, providing a highly effective acoustic seal.
The boot also provides the functions of a gasket seal to the environment and an acoustic seal.
Slow-retention foam is used in the ear pads to create a comfortable fit that also improves passive noise cancellation by creating an acoustic seal.
The MDR-1R headphones are designed for long-term wearing comfort with pressure-relieving ear cushions, providing a supportive, wrap-around feel, as well as highly effective acoustic seal, further reinforcing the headphones powerful sub-bass reproduction.
Fins provide multi-barrier acoustic seal for unparalleled sound isolation and bass delivery, twin Cone Core delivers high fidelity by better directing sound waves inside the ear canal
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