The OMNITRONIC WPS-5S is a passive 2-way bass-reflex wall speaker for 100 V public address installations. It features one 5-inch woofer and one tweeter, with selectable power taps of 3.5 W, 7.5 W, 15 W, and 30 W RMS. The trapezoidal ABS cabinet includes a metal safety guard and pivotable mounting bracket. Frequency response is 90–20,000 Hz, maximum SPL is 103 dB, and dimensions are 18.2 × 16.2 × 24.2 cm at a weight of 2.5 kg.