A binaural hearing aid device, comprising a first hearing aid adapted to be worn in or on a left ear of a user of the binaural hearing aid device and a second hearing aid, adapted to be worn in or on a right ear of the user of the binaural hearing aid device, respectively, wherein each hearing aid comprises - a microphone unit (120,120'), arranged and configured to receive an acoustic front tone, indicative of a front part of a surround sound, and to convert the acoustic front tone into an electric front signal (125,125'); - a receiver unit (130,130'), configured to receive a wireless rear communication signal, indicative of a rear part of the surround sound, and to convert the rear communication signal into an electric rear signal (135,135'); - an audio processor (140,140'), configured to receive the electric front signal and the electric rear signal and to determine a processed electric rear signal with respect to the electric front signal, by adjusting a time delay between the electric rear signal and the electric front signal and by adjusting a sound level of the electric rear signal according to a sound level of the electric front signal, and to provide a processed surround signal (145,145'), comprising at least the processed electric rear signal; - a speaker unit (150,150), configured to receive the processed surround signal, to convert the processed surround signal into an acoustic output (155,155') and to provide in case of use the acoustic output to the respective ear of the user, wherein the audio processor of the first hearing aid is configured to adjust the time delay and the sound level of the electric rear signal differently than the audio processor of the second hearing aid, such that the combined acoustic output of the first hearing aid and of the second hearing aid forms the rear part of the surround sound, wherein the first and second hearing aid each comprise a localizing unit (142,142'), which is connected to the audio processor, and which is configured to receive a location information and to determine a distance between the respective hearing aid and a source of the acoustic front tone, and wherein the audio processor is further configured to adjust the electric rear signal according to the determined distance. - a microphone unit (120,120'), arranged and configured to receive an acoustic front tone, indicative of a front part of a surround sound, and to convert the acoustic front tone into an electric front signal (125,125'); - a receiver unit (130,130'), configured to receive a wireless rear communication signal, indicative of a rear part of the surround sound, and to convert the rear communication signal into an electric rear signal (135,135'); - an audio processor (140,140'), configured to receive the electric front signal and the electric rear signal and to determine a processed electric rear signal with respect to the electric front signal, by adjusting a time delay between the electric rear signal and the electric front signal and by adjusting a sound level of the electric rear signal according to a sound level of the electric front signal, and to provide a processed surround signal (145,145'), comprising at least the processed electric rear signal; - a speaker unit (150,150), configured to receive the processed surround signal, to convert the processed surround signal into an acoustic output (155,155') and to provide in case of use the acoustic output to the respective ear of the user,