The Model 4S4X10 4 Input Summing Power Amplifier for Line, Intercom, Earphones or Speakers in Control Rooms, Command Posts, and Offices.
A summing amplifier sums several (weighted) voltages and outputs the average.
Applications:
- Airports
- Automotive Shops
- Churches
- Control Rooms
- Dispatchers
- Emergency 911 with a few building hot areas
- Fast Food Restaurants
- FBI, CIA, & other Law Enforcement
- Fire Stations
- Moving Companies
- Police stations
- Schools
- Screening Rooms
- Security Offices
- Taxi Companies
- Trucking Companies