- The Stethophon 04 is a listening device for detecting and amplifying structure-borne noise of all types. It provides undistorted sound reproduction even for very low noise.
- In addition to a version with cable headphones, the SDR version with wireless headphones is available. Sewerin Digital Radio (SDR) offers sound transmission of the same quality as with a cable connection. Eliminating the cable increases working comfort significantly. The headphones and the device are automatically connected by bidirectional radio when switched on.
- Wireless headphones with digital signal transmission (SDR)
- Optional connection for external ground microphone
- 8 filter levels
- Hearing protection function
- Numeric display of minimum noise level (0 to 1000)
- Operating time of at least 8 hours
- Weighs only about 290 g