Bosch Plena – All‑Call Call Station

Key Features:

• PTT-Key Functionality:

  • Allows momentary (press-to-talk) or toggle (press to activate, press again to deactivate) operation.
  • Includes priority contacts compatible with the Plena range of amplifiers.

• LED Indicator:

  • A green LED illuminates to indicate the microphone is active.

• Robust Construction:

  • Heavy metal base with rubber feet for stability on flat surfaces.
  • Designed for both tabletop use and flush desktop mounting.

• Connection:

  • Fixed 2-meter cable with a 5-pin Euro style connector for balanced signal and priority contact.
  • Compatible with 3-pin connectors if priority contact is not required.

Technical Specifications:

• Power Supply:

  • Phantom power: 12–48 V, current consumption < 8 mA.

• Performance:

  • Frequency Response: 100 Hz to 16 kHz.
  • Sensitivity: 0.7 mV @ 85 dB SPL (2 mV/Pa).
  • Maximum Input Sound Level: 110 dB SPL.
  • Distortion: < 0.6% (maximum input).

• Mechanical:

  • Base Dimensions: 40 x 100 x 235 mm.
  • Stem Length: 390 mm (with microphone).
  • Weight: Approx. 1 kg (2.2 lbs).
  • Cable Length: 2 m (6.56 ft).
  • Color: Charcoal with silver.

• Environmental:

  • Operating Temperature: -10°C to +45°C.
  • Storage Temperature: -40°C to +70°C.
  • Relative Humidity: < 95%.

Certifications and Standards:

• Safety: EN 60065.
• Immunity: EN 55103-2.
• Emission: EN 55103-1.

The PLE‑1CS is a versatile, high-quality tabletop microphone designed for clear communication in professional public address systems. Its user-friendly features and durable construction make it ideal for various applications.