WHEELOCK STH-15SR

Product Overview The Wheelock STH-15SR supervised horn loudspeaker features a high-efficiency 15W compression driver designed for superior intelligibility, wide sound dispersion, and maximum projection. Its weather-resistant, vandal-resistant metal construction and reentrant acoustic path ensure reliable performance in harsh environments. The adjustable mounting bracket allows precise vertical and horizontal aiming of sound, while provisions for surface or strap mounting on pillars and I-beams make it versatile for multiple installation scenarios.

Key Features

- Power Handling: 15W RMS compression driver
- Voltage: 25/70V with screwdriver-adjustable, 7-position watt/impedance selection switch
- Construction: Weather-resistant, vandal-resistant aluminum for durability against water, humidity, and corrosion
- Mounting: Adjustable bracket for vertical and horizontal aiming; supports surface or strap mounting on pillars and I-beams
- Finish: Red baked epoxy (STH-15SR); Gray baked epoxy (STH-15S)
- Approvals: ULC Standard CAN/ULC-S541-2016 for speakers
- Installation: Recessed installation terminals and power selector protected by metal interface adapter or clear plastic shield