from outside activities to almost any sensible application that requires a quantity raise, the pylehome nine. 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 electricity, this speaker is superb for making your voice heard at any indoor or outside space or venue. This speaker capabilities a nominal impedance of 8 ohms, 400 hz-five khz frequency range, and aluminum housing for energy and durability. With mounting bracket and hardware, the pylehome nine. 7 inch 20 watt indoor and outside pa horn speaker is prepared to be set up to walls, ceilings, and much extra.