A hearing device comprising - a housing configured to be at least partially inserted into an ear canal, - an acoustic transducer having an oscillator element configured to generate sound waves, the housing accommodating the acoustic transducer inside an inner volume of the housing , - a sound outlet provided at the housing and configured to release sound waves from the inner volume into the ear canal, - a microphone configured to be acoustically coupled to the ear canal, - an active feedback control circuit connected to the microphone and configured to provide an active feedback control signal to modify the sound waves generated by the acoustic transducer , and - a feedback loop comprising the microphone and the active feedback control circuit , wherein the feedback loop is configured to provide an active noise control (ANC) or active noise reduction (ANR) of the sound waves generated by the acoustic transducer, characterized in that the acoustic transducer and the housing are configured such that the output impedance of the hearing device measured at the sound outlet has a value of at most 3.5 • 10 7 kg / (m 4 • sec) within a frequency bandwidth of at least 50 Hz comprised in a frequency range between 1000 Hz and 2000 Hz, wherein the housing comprises a first housing portion enclosing a first volume portion of the inner volume in front of the oscillator element and a second housing portion enclosing a second volume portion of the inner volume behind the oscillator element , the first volume portion and the second volume portion acoustically coupled by the oscillator element , and the oscillator element is positioned inside the inner volume such that the first volume portion is at least two times smaller than the second volume portion . - a housing configured to be at least partially inserted into an ear canal, - an acoustic transducer having an oscillator element configured to generate sound waves, the housing accommodating the acoustic transducer inside an inner volume of the housing , - a sound outlet provided at the housing and configured to release sound waves from the inner volume into the ear canal, - a microphone configured to be acoustically coupled to the ear canal, - an active feedback control circuit connected to the microphone and configured to provide an active feedback control signal to modify the sound waves generated by the acoustic transducer , and - a feedback loop comprising the microphone and the active feedback control circuit , wherein the feedback loop is configured to provide an active noise control (ANC) or active noise reduction (ANR) of the sound waves generated by the acoustic transducer, characterized in that the acoustic transducer and the housing are configured such that the output impedance of the hearing device measured at the sound outlet has a value of at most 3.5 • 10 7 kg / (m 4 • sec) within a frequency bandwidth of at least 50 Hz comprised in a frequency range between 1000 Hz and 2000 Hz, wherein the housing comprises a first housing portion enclosing a first volume portion of the inner volume in front of the oscillator element and a second housing portion enclosing a second volume portion of the inner volume behind the oscillator element , the first volume portion and the second volume portion acoustically coupled by the oscillator element , and the oscillator element is positioned inside the inner volume such that the first volume portion is at least two times smaller than the second volume portion . <EOS>