When comparing Ace 350 vs Teknetics D4000, the Slant community recommends Ace 350 for most people. In the question“What are the best metal detectors for beginners?” Ace 350 is ranked 3rd while Teknetics D4000 is ranked 7th. The most important reason people chose Ace 350 is:
Ace 350 includes a pinpointing function so an external pinpointer won't be necessary.
Specs
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Pros
Pro Included pinpointing feature
Ace 350 includes a pinpointing function so an external pinpointer won't be necessary.
Pro User friendly
This device comes with an LCD screen, many buttons, and six preset search modes.
Pro Ideal for deep seeking
The Ace 350 is better for finding deep objects than other similar detectors.
Pro Accurate pinpoint feature
The D4000's pinpoint feature outperforms similar detectors.
Pro Great battery life
The D4000 runs about 25 hours on a 9-v battery.
Cons
Con False negative tendencies
The Ace 350 sometimes identifies valuable objects as junk.
Con High rate of false positives
This device tends to give a high amount of false readings.
