Nokta Impact Pro Pack Metal Detector with Waterproof DD 11 x 7'' Search Coil (Open Box) fisher-gold-bug You still have a volume

You still have a volume control and a compatibility switch to enable the headphone to work with various detectors

and takes less than a minute to set up

Frequency offset for EMI suppression

Minelab CTX 3030 Metal Detector with 6" DD Smart Search Coil and Detector Bag

Threshold Adjustable turn contol

Nokta Impact Pro Pack Metal Detector with Waterproof DD 11 x 7'' Search Coil (Open Box) fisher-gold-bug You still have a volumeOpen Box Nokta IMPACT Pro Pack Metal Detector with Waterproof DD 11x7'' Search Coil, Waterproof 7. 5x4'' DD Search Coil, Headphones, Carrying Bag, Protective Covers, Stand, Extra Lower Shaft, AC & Car Charger, 4 x AA Rechargeable Batteries & USB Cable With its 3 operating frequencies, online firmware update capability and robust design, IMPACT combines many different detectors in one, enabling you to live a unique yet easy to use detector experience.