- High intelligibility and efficiency; ideal for both one-way and talk back applications- Weatherproof, all-metal construction- 30 watts; 25/70 volt or 8-ohm operation- Tap settings for 70V: 30, 15, 7.5, 3.7, 1.8 watts; for 25V: 15, 7.5, 3.7, 1.8 watts-…