Amazon.com: TOA SC-630TU Outdoor 30W Paging Horn Speaker with Built-in Transformer, White, High Sensitivity Up to 113dB (1W/1m), Input Impedance Selector (25V and 70V) with Rotary Switch
8186 IP Horn Speaker - Algo Communication Products Ltd.
TOA SC-651 50W Paging Horn Speaker
Algo 1186 Analog Horn Speaker - PA Voice Paging & Notification
Quam Paging Horn Speaker - SYSTEM 6VPS | Wheelock Products