Built-in speaker

Order no.
Packing unit
Order no. 1258 00
1258 00
EAN 4010337258001
Packing unit 1
PS 18
Recommended retail price. Price system (PS) not equal to 1, 14 = reduced discount.

Necessary accessories

One of the following articles:

audio ctrl.dev. DRA video ctrl.dev. DRA

Optional accessories



  • Built-in loudspeaker for mounting in letterbox systems, voice compartments, door-side installations or front panels.
  • Up to eight mechanical bell buttons can be connected to the screw terminals provided.
  • Signal transmission and power supply of loudspeaker via reverse-polarity-protected and short-circuit-proof 2-wire bus.
  • Compact size.
  • Weather-resistant loudspeaker.
  • High-quality electret microphone.
  • Alternating current polling of the bell button connections to prevent oxidation on the button contacts.
  • Securing of connection terminals against incorrect connection.
  • Up to eight mechanical bell buttons can be connected.
  • Colour camera for door station can be connected.
  • Hands-free feature (voice-controlled talk-back with echo and background noise suppression).
  • Voice volume adjustable.
  • One-man commissioning with simple commissioning procedure.
  • Acknowledgement tone when call button is pressed.

Technical data

Power supply:
DC 26 V ± 2 V (by 2-wire bus)

2-wire bus:
2 x screw terminal
Additional power supply:
2 x screw terminal
Mech. Bell button:
8 x screw terminal
Common earth of bell buttons:
1 x screw terminal
Connection cable:
2 x connector strip
1 x connector strip

Protection class:

Ambient temperature:
-25 °C to +70 °C


  • This component enables door communication systems with up to 140 audio devices to be set up (e.g. 1 x built-in speaker, 11 x add-on modules for built-in speakers, 136 x surface-mounted home stations).
  • The video control device is required if the system is expanded with a colour camera.
  • Protection type IP44 only in combination with a suitable front or when installed.

Dimensions in mm

B 101 H 67 T 27

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Data sheet



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Revit file for BIM (Building information modeling)

Order no. 125800

RFA, 588 Kb


IFC file for BIM (Building information modeling)

Order no. 125800

IFC, 14 Kb


Built-in loudspeaker
Operating instructions

Operating instructions

Order no. 1258 00

PDF, 130 Kb


Gira Door communication system
Guides / system basics

Basics, planning examples
Door communication system
Order no. 1736 90

Order no.

PDF, 5.563 Kb


Shape and dimensions for built-in speaker and add-on module
Installation instructions

Planning aid

Order no. 1258 00
1259 00

PDF, 41 Kb


Ordering info Features Downloads