Sennheiser's new wired headphones look like comfortable audiophile cans ready for travel

Sennheiser has launched the HD 620S, its latest pair of headphones that try to balance performance, noise isolation, and comfort.

This model is a bit of an odd duck but in a good way. The line that it’s a part of, the HD 600 series, consists entirely of open-back headphones. These are great at outputting high-quality audio. However, they're not so good at blocking outside noise, making them a poor fit for travel. The HD 620S is swimming against the current by being a pair of closed-back headphones. Devices with this design are much better at stopping noise from leaking in.

The company states the cup covers are reinforced with steel that acts as “an efficient isolator”. Each one houses a 42mm dynamic transducer with a 38mm diaphragm engulfing the listener in a bubble of sound. Alongside them are 150-ohm aluminum voice coils ensuring clear vocal clarity and ...