| The Detector Pro Gray Ghost Original Headphones have been custom designed specifically for metal detector users. Start hearing those "ghost signals" others are missing. These headphones are engineered rugged tough and made to stand up to outdoor use. These headphones are designed for rugged durability external noise blocking easy knob adjustments and comfort. With special sound limiting circuitry you won't have to worry about disruptively loud hits.Additional Features:No screws no wire frame no rust designSpeakers designed for maximum sensitivitySpecial built-in signal limiting circuitrySpecial sound-blocking muff design200-3200 Hz frequency response72 dB @ 1kHz minimum sensitivity15 omhs nominal impedance |
