PLE-2CS
Bosch PLE‑2CS Plena Two-zone Call Station, metal base design, a flexible microphone stem with a unidirectional condenser microphone and zone selection, Nominal sensitivity : 85 dB SPL, Nominal output level : 700 mV, Input sound level (max) : 110 dB SPL, Frequency response : 100 Hz to 16 kHz