S30 vs TDI SL
| Quest S30 | White's TDI SL | |
|---|---|---|
| Technology | VLF | PI |
| Frequency | 13 kHz | N/A |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Pulse Scan |
| Weight | 1.1 kg | 1.6 kg |
| Price | — | — |
| Best For | Park, Backyard | Gold Prospecting, Relics |
| Waterproof | Yes | Yes |
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