The White's DFX was released in 2001 and replaced by the DFX 300 (same detector with larger coil) in 2008. The DFX series was discontinued in 2012. The DFX is a VLF metal detector aimed primarily at coin, jewelry, relic detecting, and saltwater beach detecting. The White's DFX is a multifrequency detector that can also run at one of two single frequencies: 3 kHz and 15 kHz. "Here it is. The finest all-around metal detector. DFX™ is simply unsurpassed in its ability to find treasure - older,