Garrett Ace Apex Metal Detector With Raider 8.5″X11″ Coil and Wireless HeadphonesDescription The pinnacle of multi frequency detection flexibility! Apex Frequency Options 5 kHz 10 kHz 15 kHz 20 kHz Multi Freq Multi Salt Garretts Multi Flex technology, fueled by a cutting edge, broad bandwidth digital platform, simply gives you more versatility with the Apex than can be found on any metal detector in its price range! Choose from powerful single frequencies to enhance detection on specific targets, or select one of Apexs