The OMNITRONIC NOH-40S is a passive 8-ohm horn speaker designed for outdoor public address applications. It provides 40 W RMS power handling, a frequency range of 340–4000 Hz, and a sensitivity of 105 dB at 1 W/1 m. The durable aluminum housing is rated IP44 for outdoor use and includes a mounting bracket. Connections are provided through a supply cord with open wires. The speaker is grey and measures 35 cm wide, 33 cm deep, and 22 cm high.