4Xtreme vs Golden uMax
| Golden Mask 4Xtreme | Tesoro Golden uMax | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 8, 18 kHz | 10 kHz |
| Frequency Type | — | — |
| Frequency Tech | Multi-Select | Single Frequency |
| Weight | 1.4 kg | 1.0 kg |
| Price | — | — |
| Best For | Relics, Coins | Coins, Jewelry |
| Waterproof | Yes | Yes |