S-Pro vs ACE 400i
| Quest S-Pro | Garrett ACE 400i | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 13 kHz | 10 kHz |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Single Frequency |
| Weight | 1.1 kg | 1.32 kg |
| Price | $249 | $357.95 |
| Best For | Relics, Park, Fields | Relics, Jewelry, Coins |
| Waterproof | Yes | Yes |
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