XP DEUS Metal Detector with 9.5" Elliptical DD HF Search Coil for Gold Nugget Prospecting. Included with this configuration of XP DEUS Metal Detector are the WS4 Backphone Wireless Headphones 9.5" Elliptical DD High Frequency Search Coil Remote Control. The DEUS Gold Field mode (Program #10) has excellent performance especially when used in conjunction with the 9.5" Elliptical DD HF Coil. The 9.5” elliptical HF coil is designed for trashy and mineralized ground conditions. The elliptical coil is also better for locating tiny targets such as gold nuggets and is extremely sensitive, operating on a wide range of 21 frequencies, ranging from 13 to 81 kHz.