These are tried and tested headphones for Minelab (used by many including myself)
For The CTX 3030 and also The Excallibur, custom made by Mal, using quality components.
Check out Mals promotional videos and also i have some videos using the SurfFones.
Contact details for Mal are embedded in the image, just click and enquire
or Contact him through Minelab owners Forum.
A link Below will take you there.