Minelab WM12 Wireless Headphone Module for CTX 3030 and GPZ 7000 Metal Detector thumlers-tumbler Many prospectors enjoy using a

Many prospectors enjoy using a coil of this size because it gives reasonable ground coverage

reduced sweep resistance

then fill the pan with material and submerse it to remove the larger rocks

Velcro is used to ensure a snug fit

The length and width of the coil affects different aspects of its performance

Minelab WM12 Wireless Headphone Module for CTX 3030 and GPZ 7000 Metal Detector thumlers-tumbler Many prospectors enjoy using aThis module provides clear wireless audio without any perceivable time delay. Use the built in speaker or your choice of headphones through the 1 4 socket. Compatible Metal Detectors Minelab GPZ 7000 Minelab CTX 3030