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Kicker 47KEYLOC Key Series Smart Powered Line-Out Converter This revolutionary line output converter automatically detects the frequency range of your speaker leads, and a whole lot more! FIND THE FREQUENCY - News flash: factory audio systems don’t always deliver a full-range signal on every speaker wire. That makes it tough to hook up an aftermarket amp and get the sound you wanted – until now. Attach the speaker wire to the KEYLOC, play a free test tone (below) and read the LEDs. You’ll instantly know if Hi, Mid or Lo is coming from a particular pair of speaker wires. No oscilloscope or RTA needed! IT’S FIT - Using KICKER’s FIT 2+™ technology, the KEYLOC has the most versatile input sensitivity in the car-audio aftermarket. Ranging from 125 mV – 10V (Lo) or 1V to 40V (Hi), the KEYLOC is prepared to work with nearly every vehicle on the road today. OPTIONAL ALL-PASS - The KEYLOC allows you to keep or defeat factory time delay, or the all-pass filter built into many modern vehicles. By defeating this filter, the KEYLOC instantly counteracts the either of these factory effects, allowing you to tune for one-seat audio or maintain the factory imaging.
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The specs above are the fastest way to confirm a part is right before checkout — a size or power rating just outside your factory setup usually means an adapter or a different SKU, not a return later. If you are not sure which spec matters for your vehicle, the fit tool at the top of the page narrows the catalog to parts already confirmed for your year, make, and model.
