Frequency response: 200-3200 Hz (optimized for metal detector audio range)

especially if you hunt beaches

so you adjust settings and discrimination mid-hunt without peeling back material

The multiple coil system means you're equipped for everything from coin shooting in tight spaces to deep relic recovery in open fields

only the coil is waterproof

Fisher F22 Weatherproof Metal Detector with 9-Inch Waterproof Coil wireless audio Frequency response: 200-3200 Hz (optimizedThe Fisher F22 is a 7. 69 kHz VLF metal detector built with a weatherproof control housing, 9 inch concentric waterproof coil, and four preset hunt modes that let first time detectorists and experienced coin shooters turn on and start swinging in parks, fields, and dry beach sand. Operating at 2. 3 pounds with 9 segment visual target ID and 4 tone audio feedback, the F22 bridges the gap between Fisher's entry level F11 and the ground balancing F44,