an 11" x 7" mono coil

and both computerized and manual ground balance

The DetectorPro Gray Ghost Deep Woods Platinum headphones are built for serious relic hunters who demand rugged gear that won't quit

or saltwater beach work without changing detectors

Understanding Fast Digital and Multi Frequency Detectors

DetectorPro Black Widow Platinum Equinox Headphones lightweight-shaft an 11" x 7" monoThe DetectorPro Black Widow Platinum delivers maximum volume output for detectorists hunting in noisy environments or those needing enhanced audio clarity. This isn't your typical headphoneit's engineered for professionals who need to hear faint targets over traffic noise, crashing surf, or other ambient sound. Key Features Dual independent volume controls accommodate unequal hearing ability between ears Extended noise blocking muffs eliminate up to