| | Pathfinder® | SSP3000B | SSP2000B | PA640 | 650 Series | PA300 | MS4000 |
| FS Convergence Network | x | x | x | | | | |
| Air Horn | x | x | x | x | x | x | x |
| PA (Public Address) | x | x | x | x | x | x | |
| Siren Tones | x | x | x | x | x | x | x |
| Remote Control Head | x | x | x | | x | | |
| Slide Switch | x | x | x | x | | | |
| Lighting Control | x | x | x | x | x | | |
| SignalMaster™ Control | x | x | x | | | | |
| Microphone | x | x | x | x | x | x | |
| Built-in Timer Feature | x | x | x | | | | |
| Programmable Inputs & Outputs | x | x | x | | | | |
| Dual color backlit push-buttons | x* | | | | | | |
| Load Management | x | | | | | | |
| FS Vehicle Integration/OBD Integration | x | | | | | | |
| Dual Tone | x | | | | | | |
| Integrated Rumbler Intersection Clearing Capability | x | | | | | | |
| Rotary Switch | x* | | | | | | |
| Warranty (years) | 5 | 5 | 3 | 3 | 3 | 3 | 3 |
| | | | | | | | |
| *Select Models | | | | | | | |
