OMNITRONIC NOH-15R is a passive PA horn speaker designed for outdoor public-address applications. It delivers 15 W RMS through an 8-ohm speaker system and provides a frequency range of 500–5000 Hz, 101 dB sensitivity, and a maximum SPL of 113 dB. The humidity-proof enclosure is made of painted aluminum and has an IP44 rating. A painted steel mounting bracket and approximately 0.4 m fixed supply cord with open wires are included.