Bose professional show match™ Delta Q™ SM10 full-range array modules provide 10° nominal vertical coverage with included field-changeable wave guides offering choice of 70° or 100° horizontal coverage. Replace single wave guide panel to form horizontal asymmetrical patterns. The 2-way module requires external power amplifiers and DSP to provide full-range response from 59 – 18,000 Hz with peak array output up to 145 dB.