Air vs Gold Mask Power 4
| Quest Air | XP Gold Mask Power 4 | |
|---|---|---|
| Technology | VLF | VLF |
| Frequency | 10 kHz | 18 kHz |
| Frequency Type | — | — |
| Frequency Tech | Single Frequency | Single Frequency |
| Weight | 0.9 kg | 1.5 kg |
| Price | — | — |
| Best For | Travel, Casual, Coins | Gold, Small Coins |
| Waterproof | Yes | Yes |