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K40 Radar & Laser Detectors
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K40's mission is to develop the finest custom automotive electronic products on the market. Everything K40 produces is backed with one-of-a-kind guarantees, and supported with dealer and customer care services that are unmatched in the industry. All of their all-band laser and radar detectors and laser diffuser products are built with the very latest and best technology. Those who own a K40 product can attest to this, because they know there is more to a K40 system than the products themselves. It's the feeling of total confidence that comes from owning products sold and installed by the finest professionals in the industry.
Over 87 Years Of Experience
Whether you're a block away or a time zone away, you're never too far for us.
FREE SHIPPING on 1000s of Items.
Our address has changed over time, but we haven't. Pleasing people since 1936
3.5 million lbs of cardboard, 800,000 lbs of styrofoam, 1.2 million lbs of TV, 21 million lbs of appliances. That's what we recycled just last year
From the days of black and white to full-on color, our award-winning sales staff has been dedicated to you.
We love all of our customers, even our four-legged ones.
Your dream system's here. Pull up a chair, log on, then bring it home.
Hot and fresh from the oven, every weekend.
Your tech goes even farther with a little help from our in-house Connect Repair technicians.