
Soundcore Liberty 4 NC
Airplane rumble drops in lab tests. Voices still leak, and the fit is not for HIIT.
On a plane or train, the rumble actually drops.
Voices around you still leak a bit.
$80–$100
Category
4 models with public sources. The good and the bad both stay.

Airplane rumble drops in lab tests. Voices still leak, and the fit is not for HIIT.
On a plane or train, the rumble actually drops.
Voices around you still leak a bit.
$80–$100

City traffic and airplane rumble drop in lab tests. ANC on lasts under six hours, and the fancy case is mostly a pocket toy.
Airplane rumble drops by about 30dB.
ANC on lasts under six hours.
$110–$130

Airplane rumble drops to about a quarter in lab tests. Droning still leaks unless you turn the volume up, and the pouch is cloth.
On a plane, the rumble actually drops.
Plane hum can still sneak past at low volume.
$80–$100

Plane noise fades without cranking the volume, and the headphones fold unusually small. Adaptive ANC can vary, the cups warm up after about an hour, and the box has a pouch rather than a hard case.
Cabin noise drops without turning the music up.
Adaptive ANC did not stay equally strong.
$200