4Xtreme vs TDI Pro
| Golden Mask 4Xtreme | White's TDI Pro | |
|---|---|---|
| Technology | VLF | PI |
| Frequency | 8, 18 kHz | N/A |
| Frequency Type | — | — |
| Frequency Tech | Multi-Select | Pulse Scan |
| Weight | 1.4 kg | 2.5 kg |
| Price | — | — |
| Best For | Relics, Coins | Gold Prospecting, Deep Relics |
| Waterproof | Yes | Yes |