The 400i is the top model in the ACE range and has volume-controllable headphones, new Iron Audio, a powerful DD coil, and a higher frequency. A capable performer at a reasonable price. The ACE 300 has more modes and better functionality than the ACE 200 to help you find more treasure. The ACE 400i metal detector has a two-year warranty and is available in Karachi, Pakistan. This detector is American-made.
To provide improved sensitivity to targets with low and medium conductivity, including gold and lead, the ACE 400i features a higher frequency of 10 kHz. The detector’s Frequency Adjust feature allows users to easily select between minor frequency shifts that can help lessen interference from other detectors or power sources.
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