The Digital Adaptive Noise Reducution provides a perfect processor-controlled active noise attenuation of up to 40 dB. Powered by batteries or via the on-board system with automatic switch-off function. The HS 600 DANR provides an audio box to connect mobile phones or music players (supplied with two connecting cables).
These are more features:

• Automatic volume reduction of phone or music player when signals of the intercom occur (switchable function)
• Maximum wearing comfort due to light weight (approx. 325 g without cables), moderate headband pressure (approx. 6.5 N) and high quality ear pads made of soft glove leather
• Noise-compensated microphone with adjustable gain, which can be worn on the right or left hand side
• Made in Germany with a five-year warranty