crystal-clear
communication
in the office

Wideband Audio Performance

The integrated wideband audio performance provides optimum speech quality and a natural tone when PC telephony is used. The HD audio quality lies within the frequency range of 100 Hz to 7,500 Hz in accordance with ETSI ES 202739.

Hearing-Aid-Compatibility

The support of the Hearing-Aid-Compatibility standard (HAC) ensures that the CT 400 PRO also enables wearers of hearing aids to use the latest communication technology.

Further acoustic features

  • Acoustic shock protection (in accordance with ETSI EG 202518 and UL60950-1)
  • Echo cancellation
  • External 8 Ohm passive loudspeaker can be connected *

* These functions can be configured using the API (Application Programming Interface).

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