Designed in France by Focal’s acoustics engineers, Listen combine all the advantages of premium portable headphones for hours of intense listening pleasure. Excellent noise isolation is guaranteed with the closed-back design and the large ear cushions, which preserve the headphones’ acoustic qualities, even in noisy environments.
6 Best In-Ear Monitors 2018 For true musicians and audiophiles, no experience can compare to that of listening to a great in-ear monitor headphone. In-ear monitors, also known as IEMs, fit snugly within the ear canal, providing sound isolation far superior to that offered by standard earbuds.
The quality sound potential of on-ear headphones is limited only by the skill and design of the manufacturer and headphone. These headphones have infinite sound potential and can range from basic, inexpensive models to more sophisticated audiophile headphones that boast full-range frequency response and hi-fidelity sound.
Open-back Headphones. If the strong point of closed-back headphones is that they both isolate the outside noise and capture (and reflect) the noise created by the headphones themselves, the strong point of open-back headphones is exactly the opposite. The perforations/grills on open-back headphones allow air and sound to pass freely in and out of the headphone cups.
The HD 800 headphones are hand assembled in Germany and hence each headphone has a unique frequency response. To obtain the Frequency Response Certificate for a specific HD 800 the headphones must be registered with the Sennheiser office in Germany and once the headphones are registered then the Frequency Response Certificate will be provided.
These are the best wireless headphones you can find hands down. That said, they are not likley good enough to consider using as your primary headphones (depending on the intended use). The headphones work amazingly,--as long as the transmitter remains stationary-and I can't stress that point enough. Also, there is a slight sound delay.