GP 3500 vs Delta 4000
| Minelab GP 3500 | Teknetics Delta 4000 | |
|---|---|---|
| Technology | PI | VLF |
| Frequency | N/A | 7.8 kHz |
| Frequency Type | — | — |
| Frequency Tech | MPS/DVT | Single Frequency |
| Weight | 2.4 kg | 1.0 kg |
| Price | $2000 | $189 |
| Best For | Gold Prospecting | Coins, Park |
| Waterproof | Yes | Yes |
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