from out of doors events to nearly any sensible software that requires a quantity increase, the pylehome 9. 7 inch 20 watt indoor and out of doors pa horn speaker can kick it up a notch. Measuring nine. 7 inches with 20 watts of uncooked sound energy, this speaker is outstanding for making your voice heard at any indoor or out of doors space or venue. This speaker functions a nominal impedance of 8 ohms, four hundred hz-five khz frequency variety, and aluminum housing for power and durability. With mounting bracket and hardware, the pylehome 9. 7 inch 20 watt indoor and out of doors pa horn speaker is prepared to be hooked up to partitions, ceilings, and plenty greater.