Four AA alkaline batteries

How it compares to other DetectorPro headphones for Equinox and Manticore

Feature ACE Apex (6x11 Viper) ACE Apex + MS-3 Headphones ACE Apex (8

The FMF coil's simultaneous multi-frequency transmission compensates for ground phase shift in real time

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Minelab WM12 Wireless Headphone Module for CTX 3030 and GPZ 7000 digital-target-id Four AA alkaline batteriesThe Minelab WM12 Wireless Headphone Module is a wireless audio accessory for the Minelab GPZ 7000 and CTX 3030 metal detectors, delivering clear wireless audio through a built in speaker or a headphone jack with no perceivable time delay. GPZ 7000 and CTX 3030 owners working remote gold patches or deep water beaches need the freedom to move without a tethered headphone cable snagging on brush or limiting their swing radius. The WM12 clips to a belt or