NEL BIG For Garrett Ace Series Metal Detectors Garrett Accessories for Bundles You can use these headphones

You can use these headphones and transmitter if your metal detector has one of the following:

Replacement coil cover for the Large 13″ x 11″ DD XP Deus search coil

The Practical Geologist is the perfect introduction to the world of earth science

This XP DEUS 9" Round Waterproof DD High Frequency Search Coil is extremely sensitive and operates from 13kHz to 59kHz

It explains how GPS works

NEL BIG For Garrett Ace Series Metal Detectors Garrett Accessories for Bundles You can use these headphonesBig is the deepest coil in the world for different metal detectors, which is confirmed by tests of independent experts in the various forums and searchers at metal detecting meetings! It is recommended to use as a coil for deep searching. Coil is excellent for finding large targets as well as for small targets which are 1g and more at 25 cm depth. This coil is superior to standard coil in depth by 70% (Ace 150 250 200 300), 50% (Ace 350 Euro 400) and