Videx 0 Button 4000 Series Intelligent Speaker Module

4000 Series speaker modules available for entry level “3+1” (4K series audiokits), “4+1” (traditional multi-apartment audio and video systems) and “5+1” (traditional multi-apartment audio and video systems including sentry with privacy of speech) audio systems.

The speaker modules (4836, 4837 and 4838) are available with either 0, 1 or 2 buttons built into the module, however additional buttons can be added using a combination of either the 4842, 4843, 4844 and 4845 button modules.

All modules name plate windows are illuminated blue. The 4838 speaker also features 4 call status LED’s alerting the user when the system is busy, a call is in progress, when to speak and when the door is open.

All modules contain a speaker and fly lead with microphone which is easily fitted into a 4000 series front frame. Modules attach to the 4000 Series housing frames using a simple but strong clip-in system which can be secured in place using an anti-tamper clip fixing.

Speech levels can be adjusted using separate controls for both the speaker and microphone.

All the modules above are available in a matt finish 316 marine grade stainless steel (suffix /M), mirror stainless steel finish (suffix /S) or gun metal grey (suffix /BL).


  • Compatible with the full range of 4000 series surface and flush back boxes
  • Matt 316 marine grade stainless steel (/M), mirror stainless steel (/S) or gun metal grey (/BL) front plate finishes available
  • Blue back-lit name plate windows
  • Call reassurance tones
  • DDA compliant call progress LED's (4838 module only)
  • Multiple call button configurations using additional 4000 series button modules
  • 4000 series speaker and fly lead microphone (mic easily fits within a 4000 series frame)
  • Speech volume adjustments via the mic and speaker control POTs
  • Simple and strong clip-in module system with anti-tamper lock fixings
  • Power: 13Vac (4836)
  • Power: 12Vdc (4837, 4838)
  • Call reassurance: Yes
  • Buttons max: up to 2 on speaker module (0, 1 or 2 button modules available)
  • Buttons: Tactile microswitch
  • Call Progress LED’s: Yes, 4x LED’s – busy, call, speak and door open (4838 module only)
  • Audio systems: 4836 (3+1), 4837 (4+1), 4838 (4+1 & 5+1)
  • Lock output: Dry relay contacts: C & NO pair (4836 & 4837); C, NO & NC (4838)
  • Module dimensions (mm): 103 (W) x 120 (L) x 32 (D)
  • Model: 4838-0
  • Shipping Weight: 0.9 kgs
  • Manufactured by: Videx
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