An apparatus (A300; A350) for speech signal enhancement, the apparatus comprising: a memory configured to store a first local speech signal (LS100L) that includes speech information from a first microphone output signal and a second local speech signal (LS100R) that includes speech information from a second microphone output signal; and a processor configured to: establish a link for wireless communication with a remote device (D202; D212; D214; D302; D400; D402); verify acoustic coherence between the apparatus and the remote device by a correlation measurement of ambient microphone signals of the apparatus and the remote device; and in case the acoustic coherence is verified, pair the apparatus with the remote device for speech signal enhancement; wherein, to enhance speech signals from the remote device, the processor is configured to: receive the first local speech signal and the second local speech signal; produce at least one remote speech signal that includes speech information carried by a wireless signal (WS10, WS20) from the remote device; perform a signal cancellation operation, which is based on the at least one remote speech signal as a reference signal, on at least the first local speech signal and the second local speech signal to generate a binaural room response (RIR20; RIR22L, RIR22R); and filter the at least one remote speech signal according to the binaural room response to produce a first filtered speech signal (FS10L) and a second filtered speech signal (FS10R) that is different than the first filtered speech signal. a memory configured to store a first local speech signal (LS100L) that includes speech information from a first microphone output signal and a second local speech signal (LS100R) that includes speech information from a second microphone output signal; and a processor configured to: establish a link for wireless communication with a remote device (D202; D212; D214; D302; D400; D402); verify acoustic coherence between the apparatus and the remote device by a correlation measurement of ambient microphone signals of the apparatus and the remote device; and in case the acoustic coherence is verified, pair the apparatus with the remote device for speech signal enhancement; establish a link for wireless communication with a remote device (D202; D212; D214; D302; D400; D402); verify acoustic coherence between the apparatus and the remote device by a correlation measurement of ambient microphone signals of the apparatus and the remote device; and in case the acoustic coherence is verified, pair the apparatus with the remote device for speech signal enhancement; wherein, to enhance speech signals from the remote device, the processor is configured to: receive the first local speech signal and the second local speech signal; produce at least one remote speech signal that includes speech information carried by a wireless signal (WS10, WS20) from the remote device; perform a signal cancellation operation, which is based on the at least one remote speech signal as a reference signal, on at least the first local speech signal and the second local speech signal to generate a binaural room response (RIR20; RIR22L, RIR22R); and filter the at least one remote speech signal according to the binaural room response to produce a first filtered speech signal (FS10L) and a second filtered speech signal (FS10R) that is different than the first filtered speech signal. receive the first local speech signal and the second local speech signal; produce at least one remote speech signal that includes speech information carried by a wireless signal (WS10, WS20) from the remote device; perform a signal cancellation operation, which is based on the at least one remote speech signal as a reference signal, on at least the first local speech signal and the second local speech signal to generate a binaural room response (RIR20; RIR22L, RIR22R); and filter the at least one remote speech signal according to the binaural room response to produce a first filtered speech signal (FS10L) and a second filtered speech signal (FS10R) that is different than the first filtered speech signal.