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                     Grade 1 Octone Speaker (Large Speaker)

OCT20                     Grade 1 Octone Speaker (Small Speaker)

OCT30                     Grade 3 Octone Sounder (Large Speaker)

OCT40                     Grade 3 Octone Sounder (Small Speaker)

OCT30S                   Grade 3 Octone Sounder (Large Speaker +Strobe)

OCT40S                   Grade 3 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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