K40 recommends installing three Laser Defusers on the front of every vehicle. For optimum placement for your specific vehicle, consult with your dealer and/or call us at 800-323-5608.

“In my 14 years of mobile electronics and performance tuning experience, I’ve never enjoyed the level of service and support K40 offers. They back their products with action, not words, and to say they …

Why do I need a K40 Laser Defuser system if my current radar detector has laser detection capabilities? Laser guns can measure a vehicle’s speed in less than one second. By the time a laser detector …

K40 Laser Defusers have been designed to allow integration with preexisting K40 remote radar detection systems. This integration eliminates installing an extra warning light or speaker to receive …

K40 Laser Defusers have been designed to allow integration with preexisting K40 remote radar detection systems. This integration eliminates installing an extra warning light or speaker to receive …

We put the RD950 to the same tests as the RLS2 provided by K40. The only difference between the two detectors is that the RD950 does not have a GPS unit.

Jan 4, 2016 · It matters a great deal to the people who call K40 their home and to the people who buy and sell our products. We choose our intention, our words, and our actions.

K40 Customer Service – K40 ElectronicsGo to Top

VG-2 Shielded K40 Systems are passively and actively designed to prevent detection from the police VG-2 Gun (radar detector detector).

K40-2000 models require the mounting of a second LED for rear radar warnings (see diagram A1). If using the optional bi-color city/highway LED, choose a mounting location in the dashboard area that …