Bose ShowMatch SM10 Black Wired 450 W59 Hz 18 kHz, 100 H x 10 V, 450 W, 6 8 ,94 dB 106 dB, black Bose Professional ShowMatch DeltaQ SM10 full range array modules provide 10 nominal vertical coverage with included field changeable waveguides offering choice of 70 or 100 horizontal coverage. Replace single waveguide panel to form horizontal asymmetrical patterns. The 2 way module requires external power amplifiers (2 channels) and DSP to provide full range response from 59 18,000 Hz with