High-Resolution Ground Balance
Automatic and manually adjustable for improved performance. Includes 175 points of Ground Balance resolution, allowing the AT Max to handle both conductive soils (such as saltwater beaches) and highly mineralized ground.
Automatic Ground Balance Window™
Garrett Exclusive feature will simultaneously ground balance to a range of values to help overcome localized ground variations. By reducing subtle ground responses, the Automatic Ground Balance Window smooths detector audio and allows the user to hear faint targets.
Larger Display Numbers
Digital Target ID number, Iron Discrim number, etc.
More Controls—All easily accessible with a single finger as you search.
AT MAX’s other features include:
Hear discriminated iron (normally silenced) to avoid digging tricky, undesired flat iron items.
All-Metal Iron Audio™
Garrett Exclusive feature that audibly identifies discriminated iron while operating in a True All-Metal Mode.
Small frequency shifts to eliminate interference.
Fully submersible to 10-foot (3 meters) depth. Weatherproof design also protects against dusty and humid environments.
For underwater use, optional wired headphones must be used.
Digital Target ID—0 to 99 scale.
High-Res Iron Discrimination™
44 points of iron resolution.
Users can manually adjust the audio threshold (the constant background sound or “hum”) to better hear faint targets.
Pulse Width Modulation Audio
Proportional PWM audio response and Tone Roll Audio provide more target information and sharp, responsive target signals.
Four Search Modes:
True All-Metal, Custom, Coins, and Zero Discrim Modes.
Fast Recovery Speed
Coin Depth Indicator
Battery Condition Indicator
All Garrett AT searchcoils are compatible:
4.5" SuperSniper, 5" x 8" DD coil, 6.5" x 9" concentric coil, 8.5" x 11" DD coil, 6” x 11” AT Series DD Viper and 9" x 12" concentric coil.