Treasure hunter ziggyjinx conducts identical depth tests (under fixed conditions) using different metal detectors. Here we have a Golden Mask 4 PRO depth test. According to the test results, the machine is rated 10 out of 10.
Other tests, comparisons, videos related to the Golden Mask 4 PRO metal detector are collected here. Also, there is additional information about the Golden Mask 4 PRO on Knowledgebase pages.