Grade 3 Internal Sounder (Octone Range)

Grade: 3
Model: Octone

Knight Fire & Security Products Ltd are delighted to announce the introduction of our new range of EN50131 Grade 3 internal sounders, speakers and strobes for 2018.  The product is available in the following 6 varieties and you can add your company logo to each – simply email your logo to: and we will do the rest!

OCT10                     Octone Speaker (Large Speaker)

OCT20                     Octone Speaker (Small Speaker)

OCT30                     Octone Sounder (Large Speaker)

OCT40                     Octone Sounder (Small Speaker)

OCT30S                   Octone Sounder (Large Speaker +Strobe)

OCT40S                   Octone Sounder (Small Speaker +Strobe)



  • Unique, modern, sleek aesthetics
  • Send us your own company logo for the front lens as the perfect reminder of your company’s service
  • Choose between large or small sounder, large or small speaker and optional Strobe
  • TACT / Microswitch surface removal tamper and lid tamper
  • Hinged, screw fastened cover
  • Concealed wire clamping terminals



  • Grade: EN50131 Grade 3
  • Env Class II
  • Material:  Polycarbonate
  • Lid / Rear Tampers:  TACT / Microswitch
  • Speaker Type: Mylar 16 Ohm, 12 Watt
  • Sound pressure: 50mm – 85db / 87mm – 98db
  • Dimensions: 115mm x 115mm x 40mm
  • Weight: 290g
  • Temperature Range: -40C to +50C
  • Colour: White

SKU: Octone Category:
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