Sennheiser Momentum 4 Headphones Color:Black the Helios also features class-leading

the Helios also features class-leading treble extension that pushes the limits of what balanced armature tweeters are capable of

One for near-field monitoring

Tweak the sound modifying the voltage level on the fly and use the preferred combination of the 4-Terminal Sensing and Spread Spectrum Mode settings

3mm) stereo headphone output (8–600 Ohms)

Digital Input (S/PDIF) Boost audio from digital sources such as TVs

Sennheiser Momentum 4 Headphones Color:Black the Helios also features class-leadingA dramatic update and upgrade over the previous generation, the MOMENTUM 4 Noise Canceling Wireless Over Ear Headphones from Sennheiser trades in the classic design and folding body for a sleeker, more modern look and fold flat earcups. More importantly, the battery life has drastically improved by nearly four times to up to 60 hours with both Bluetooth and adaptive noise cancellation on. Audio quality is still on the high end with Sennheiser's