- Self Amplified Paging System Expander
- Viking Expander/adapter
- Converts Any Paging Audio Source (600 Ohm 4 Ohm 8 Ohm 16 Ohm 25 Volt Or 70 Volt)
- To Viking's Proprietary Sa Series 2 Wire Protocol
- Power Up To Twelve (12) Sa1s And/or Sa1h Self Amplified Paging Speakers
- Brand: Viking Electronics
