The Audio-Technica ATH-ANC27x QuietPoint are below-average headphones that poorly isolate listeners from ambient noise. They sound exceedingly bass-heavy and feel a little cheap and flimsy. On the upside, they don't leak much sound and will not disturb the people around you at high volumes.
The ATH-ANC27x do not feel very durable. The oddly sized ear cups are too large for an on-ear design and too small for over-ear, which makes them uncomfortable after long listening sessions. They feel plasticky and will not last as long as some other better-built headphones. They also have no control options for your audio which is disappointing.
The ATH-ANC27x QuietPoint's design looks similar to the ATH-ANC29. They have an all-black color scheme with silver accents on the ear cups. Their design does not stand out, but their understated style may be appealing for some.
The ATH-ANC27x do not quite rest well on the ears. The ear cups are not large enough to encompass the ears like an over-ear design. This puts a little pressure on the tip of the ears that can get uncomfortable over long listening sessions. On the upside, they are lightweight and not too tight on the head
There is only the noise cancelling switch on the ATH-ANC27x. This means that you will have no control over your audio, which is disappointing. However, the noise cancelling switch does feel better made than the ATH-ANC29 model which shares the same design.
The ATH-ANC 27x are quite big for on-ear headphones. They're decently portable thanks to their small frame relative to some larger over-ear models. However, they don't fold up into a more compact format, to take less space in a backpack. They won't fit into your pockets, even larger jacket pockets and are too cumbersome to fit comfortably in some bags. On the upside, the ear cups to lay flat, which slightly increases their portability.
The ANC-27x is a poor sounding pair of closed-back on-ear headphones. They have an overly bass-heavy sound profile, and tend to sound muddy in the Bass and Mid Ranges. Also their Treble lacks presence and brightness, and due to their closed-back design, they don't have an open sounding Soundstage either.
The ATH-ANC27x do not leak much but poorly isolate listeners. The on-ear cups do not block low-frequency noise from seeping into your listening experience. Sadly, the active noise cancelling is not efficient either and does not cancel this ambient noise, which is unideal if you plan to use these headphones in the metro or on a plane.
Poor isolation. These headphones perform below average in all categories. The passive isolation provided by the ear cup does a decent job of blocking treble sounds, however, they stop being effective below 800Hz. The active noise cancellation provides around 10dB of reduction from 100Hz-400Hz, but not doing much below or above that range. The self-noise is rather high too.
The ANC27x only have noise canceling as an active feature. They won't be the most versatile headphones, but they have a pretty good battery life that lasts an incredible 82 hours of continuous playback. This makes them great travel headphones as you won't need to change the AAA cell as often, but the lack of power saving features also means that if you leave them on they will continue to drain the battery.
The ATH-ANC27x can last up to 82 hours of continuous play time at average volumes. This means you won't have to change the triple AAA battery throughout the day, which is great for long flights or road trips. Sadly, they can't be used without the battery, and do not have any battery saving features like an auto-off timer.