S50 vs Delta 4000
| Quest S50 | Teknetics Delta 4000 | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 13 kHz | 7.8 kHz |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Single Frequency |
| Weight | 1.1 kg | 1.0 kg |
| Price | — | — |
| Best For | Coins, Jewelry, Park | Coins, Park |
| Waterproof | Yes | Yes |