The OMNITRONIC WP-15W is a passive 100 V ceiling speaker in a white ABS plastic housing. It contains one 6.5-inch full-range loudspeaker and provides 20 W RMS power handling, with selectable 5 W, 10 W, or 20 W RMS power tapping. The speaker has a frequency range of 110–15,000 Hz, 92 dB sensitivity, 101 dB maximum SPL, IP44 protection, and a 2 m connection cable with integrated steel installation wire. Dimensions are 17 cm high, 17 cm in diameter, and 24.8 cm deep; weight is 1.70 kg.