AHUJA SPEAKER COLUMN SCM-30 XT For Indoor & Outdoor applications such as in Halls, Auditoria, Airport Lounges. Weather resistant — for use under roof eaves. Foam layer to protect speakers from dust. Array of speakers radiate forward sound beam for wider audience coverage. Mounting clamps & hardware supplied. Column speakers in metal cabinet in silver-ash paint finish. Speaker connections through a terminal strip at the rear. Available in 100V line matching transformer version and low impedance version.