Feature F22 F44 (this page) F75 Coil included 9" concentric 11" DD waterproof 11" DD waterproof Ground balance None Ground Grab + manual FASTGRAB + manual Detect modes 4 preset 5 (adds All Metal) Double-filter discrimination Iron audio Basic Fe-Tone

3 settings Advanced Best for Beginners Value coins and relics with ground balance Serious relic and depth hunters Short version: choose the F44 when you want ground balance and iron control at a mid price

which is long enough for taller detectorists and short enough to pack collapsed

Iron Audio: Off in true all-metal hunting

Antenna Color: May vary by production batch

Fisher Gold Bug II 71 kHz Metal Detector for Gold Prospecting antenna Feature F22 F44 (this page)The Fisher Gold Bug II is a 71 kHz VLF metal detector built for gold prospecting in mineralized ground where lower frequency detectors miss sub grain targets. Designed for prospectors working hot soil, ironstone, and gold bearing country, the Gold Bug II combines dual control manual ground balance with iron discrimination to reject hot rocks while maintaining sensitivity to fine gold. We've run this detector in Arizona caliche and Nevada desert