In this paper, a real-time realization technique of a two-band linear-phase digital loudspeaker crossover network using digital IIR filters is proposed. The proposed system gives linear time-invariance by truncating the infinite impulse response of all sub-IIR filters to a finite length. Moreover, the proposed loudspeaker crossover network achieves desirable properties because the overall magnitude response do not have a boost or dip around the cross over frequency, which is significant to high-quality loudspeaker crossover networks. In addition, simulation results show that the proposed system provides an overall flat magnitude and group delay responses and also gives higher slope and stopband attenuation than the prototype elliptic IIR filter.