Air vs 4Xtreme
| Quest Air | Golden Mask 4Xtreme | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 10 kHz | 8, 18 kHz |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Multi-Select |
| Weight | 0.9 kg | 1.4 kg |
| Price | — | — |
| Best For | Travel, Casual, Coins | Relics, Coins |
| Waterproof | Yes | Yes |
| Quest Air | Golden Mask 4Xtreme | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 10 kHz | 8, 18 kHz |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Multi-Select |
| Weight | 0.9 kg | 1.4 kg |
| Price | — | — |
| Best For | Travel, Casual, Coins | Relics, Coins |
| Waterproof | Yes | Yes |