4Xtreme vs CZ-6a Quicksilver
| Golden Mask 4Xtreme | Fisher CZ-6a Quicksilver | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 8, 18 kHz | 5, 15 kHz |
| Frequency Type | — | — |
| Frequency Tech | Multi-Select | Dual Frequency |
| Weight | 1.4 kg | 1.8 kg |
| Price | — | — |
| Best For | Relics, Coins | Relics, Beach |
| Waterproof | Yes | Yes |