Car Owners: 1-800-323-5608
Dealer Support: 1-800-323-6768
Email Us: customerservice@k40.com
Front and Rear Radar Detection System
Single Receiver Protection
Long-range Portable Radar Detector
Defense Against Laser Speeding Tickets
Start here to identify your system.
Get a ticket during the first year of ownership, and we will pay for it! We started offering this guarantee in 1983 and still stand by it today.
Find the system that’s perfect for you and the way you drive.
Get a K40 Consult
Find an Installing Dealer
Register Your Product
Our in-house team of experts are available Monday-Friday, 8:00am – 5:00pm. Call us at 1-800-323-5608
Did you buy a car with K40 already installed?
Product Manuals and Brochures
Your K40 Guarantees
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Real Stories
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Your system is installed by a Master Craftsman from K40’s elite dealer, nationwide network.
At K40 we don’t just sell products. We’re a company of people who love what we do: Delivering the best radar detector and laser jammer products on the market.
Our Mission and What Drives Us
Meet Your Team
Built on a History of Performance
“I have your product on my BMW, and love it. It allows me to drive the car the way it was made to be driven. I spend less time looking for speed traps and roof lights, and more time with my eyes on the road.”
Are you a Dealer or Retailer?
At K40 Electronics, we do partnerships differently. We get to know you and your customers and the products that will work for them. We then provide you with the support and strategies to set you up for success.
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Installing Dealer: Audioworks
