The speaker shall be a wide-range weatherproof horn speaker suitable for paging, background music and tone signaling distribution. The speaker component shall be a 12 cm (4.72") cone-type speaker, treated for weather-resistance. Rated input shall be 15 W. The speaker shall include a transformer having multiple taps (5W, 10W, 15W at 100 V and 2.5W, 5W, 7.5W, 15W at 70V). The sensitivity at a distance of 1m with a 1W input level applied shall be 97 dB. The speaker shall have a frequency response of 150 - 15 kHz. Horizontal and vertical dispersion at –6 dB below the on-axis reference at 2 kHz shall be 110° (H) x 85° (V).

The speaker shall have a IEC 529 splash-proof rating of IP65. The speaker shall have an operating temperature of -20° C to +55° C (-4° F to 131° F). The speaker enclosure shall be constructed of ABS resin and coated with polyurethane resin paint to resist long-term exposure to ultraviolet light. The grille shall be constructed of a protective aluminum net to prevent damage, gray paint. All mounting hardware, including screws and bolts, shall be stainless steel, which protects the speaker from corrosion. The wide-range weatherproof paging horn shall include an integral speaker cable, 2-core cabtyre cord with diameter of 6 mm (0.24") diameter.

Dimensions shall be 366(W) x 230(H) x 272(D) mm (14.40” x 9.06” x 10.71”). Weight shall be 2.8 kg (6.17 lb.).

The wide-range weatherproof horn speaker shall be TOA model CS-154.