The Cooper Wheelock SAFEPATH4 SP4‑RMX Remote Microphone Expansion Module is an outboard expansion module used with the SP40/2 or SP40S Facilities Communications Systems. The module expands the number of optional remote microphones (SPRM) to three. Each module provides a line level, 600 Ω auxiliary audio output. Two SP4‑RMX modules can be used when connected to an SP40/2 or SP40S control.
Features:
- Expands one remote microphone (SPRM) from the SP40/2 or SP40S control panel to three
- Provides one line level, 600 Ω auxiliary audio output
- Provides up to six remote microphones when using two SP4‑RMX modules
- Provides multiple on‑board diagnostics with three status conditions: standby, alarm, and trouble
