A hearing device comprising - an antenna for converting a first wireless input signal from an external device to an antenna output signal; - a radio transceiver coupled to the antenna for converting the antenna output signal to a transceiver input signal; - an input module for provision of a first input signal, the input module comprising a first microphone; - a pre-processor, operatively connected to the input module and to the radio transceiver, for provision of a pre-processor output signal based on the first input signal and the transceiver input signal; and - a controller, operatively connected to the radio transceiver, the controller comprising a speech intelligibility estimator for estimating a speech intelligibility indicator indicative of speech intelligibility based on the transceiver input signal and a first controller input signal to the controller, wherein the speech intelligibility estimator is configured to estimate the speech intelligibility indicator by comparing the transceiver input signal and the first controller input signal, wherein the speech intelligibility estimator is configured to compare the transceiver input signal and the first controller input signal based on a modulation of the transceiver input signal and a modulation of the first controller input signal; - a processor for processing input signals and providing a processor output signal based on input signals comprising the pre-processor output signal; - a receiver for converting an output signal to an audio output signal, wherein the output signal is based on the processor output signal; wherein the first controller input signal is the processor output signal; wherein the controller is configured to provide a controller output signal based on the speech intelligibility indicator; wherein the pre-processor is configured to apply to the first input signal and the transceiver input signal, based on the controller output signal, a pre-processing scheme to obtain the pre-processor output signal; wherein the controller is configured to determine the pre-processing scheme based on the speech intelligibility indicator by determining one or more first gain parameters of the pre-processing scheme and one or more second gain parameter of the pre-processing scheme; and wherein the pre-processor is configured to apply the pre-processing scheme by applying the one or more first gain parameters to the first input signal and applying the one or more second gain parameters to the transceiver input signal. - an antenna for converting a first wireless input signal from an external device to an antenna output signal; - a radio transceiver coupled to the antenna for converting the antenna output signal to a transceiver input signal; - an input module for provision of a first input signal, the input module comprising a first microphone; - a pre-processor, operatively connected to the input module and to the radio transceiver, for provision of a pre-processor output signal based on the first input signal and the transceiver input signal; and - a controller, operatively connected to the radio transceiver, the controller comprising a speech intelligibility estimator for estimating a speech intelligibility indicator indicative of speech intelligibility based on the transceiver input signal and a first controller input signal to the controller, wherein the speech intelligibility estimator is configured to estimate the speech intelligibility indicator by comparing the transceiver input signal and the first controller input signal, wherein the speech intelligibility estimator is configured to compare the transceiver input signal and the first controller input signal based on a modulation of the transceiver input signal and a modulation of the first controller input signal; - a processor for processing input signals and providing a processor output signal based on input signals comprising the pre-processor output signal; - a receiver for converting an output signal to an audio output signal, wherein the output signal is based on the processor output signal; wherein the first controller input signal is the processor output signal; wherein the controller is configured to provide a controller output signal based on the speech intelligibility indicator; wherein the pre-processor is configured to apply to the first input signal and the transceiver input signal, based on the controller output signal, a pre-processing scheme to obtain the pre-processor output signal; wherein the controller is configured to determine the pre-processing scheme based on the speech intelligibility indicator by determining one or more first gain parameters of the pre-processing scheme and one or more second gain parameter of the pre-processing scheme; and wherein the pre-processor is configured to apply the pre-processing scheme by applying the one or more first gain parameters to the first input signal and applying the one or more second gain parameters to the transceiver input signal.