Sennheiser HD25 Light Headphones. Renowned as being the industry standard for DJ headphones, the Sennheiser HD 25 Light Headphones are extremely lightweight and comfortable, ideal for using for long periods of time. The purpose-designed, professional monitoring closed-back HD 25 headphones offer high attenuation of background noise, and are capable of handling very high sound pressure levels. The Sennheiser HD 25 Light headphones have received a 2020-update. Don't worry, it's still the same trusty pair of closed, on-ear headphones designed for DJs, producers and session musicians.What's New in The 2020 Version?Even Sennheiser know not to ever change a winning team, or a winning pair in this case. That's why the 2020 version of the HD 25 Light has been carefully improved with a little more impedance for more accurate lows and a higher maximum sound pressure to increase efficiency. The frequency range has also been expanded and now spans 16 Hz to 22 kHz, so even bats and whales can now make use of these outstanding studio headphones.