An acoustic multiple-input multiple-output system with M microphones and K loudspeakers comprising: K ≥ 1 equalizing filter modules (103, 205, 206) that are arranged in signal paths downstream of an input signal path, the input signal path being supplied with an input signal, wherein the equalizing filter modules have controllable transfer functions, and K filter control modules (106, 207, 208) that are configured to control the transfer functions of the equalizing filter modules (103, 205, 206) according to an adaptive control algorithm based on M>1 error signals and the input signal on the input signal path, characterized in that the adaptive control algorithm comprises a windowed magnitude constraint with an integrated post-ringing constraint, the magnitude constraint and post-ringing constraint being psychoacoustic constraints that are configured to model psychoacoustic properties of a human ear, wherein the filter control modules (106, 207, 208) are configured to iteratively adapt the transfer functions of each of the K equalizing filter modules (103, 205, 206); further characterized in that the windowed magnitude constraint with the integrated post-ringing constraint is configured to input a set of cosine signals with equidistant frequencies and equal amplitudes into the K equalizing filter modules (103, 205, 206) upon adaption, weight a signal output by the filter modules (103, 205, 206) with a frequency-dependent windowing function, sum up the filtered and windowed cosine signals to provide a sum signal, and scale the sum signal to provide an updated impulse response of the K equalizing filter modules (103, 205, 206) for controlling the transfer function of the K equalizing filter modules (103, 205, 206). K ≥ 1 equalizing filter modules (103, 205, 206) that are arranged in signal paths downstream of an input signal path, the input signal path being supplied with an input signal, wherein the equalizing filter modules have controllable transfer functions, and K filter control modules (106, 207, 208) that are configured to control the transfer functions of the equalizing filter modules (103, 205, 206) according to an adaptive control algorithm based on M>1 error signals and the input signal on the input signal path, characterized in that the adaptive control algorithm comprises a windowed magnitude constraint with an integrated post-ringing constraint, the magnitude constraint and post-ringing constraint being psychoacoustic constraints that are configured to model psychoacoustic properties of a human ear, wherein the filter control modules (106, 207, 208) are configured to iteratively adapt the transfer functions of each of the K equalizing filter modules (103, 205, 206); further characterized in that the windowed magnitude constraint with the integrated post-ringing constraint is configured to input a set of cosine signals with equidistant frequencies and equal amplitudes into the K equalizing filter modules (103, 205, 206) upon adaption, weight a signal output by the filter modules (103, 205, 206) with a frequency-dependent windowing function, sum up the filtered and windowed cosine signals to provide a sum signal, and scale the sum signal to provide an updated impulse response of the K equalizing filter modules (103, 205, 206) for controlling the transfer function of the K equalizing filter modules (103, 205, 206).