DetectorPro Nugget Buster NDT Metal Detector Headphones

Features High-quality locking connector system Dual rotary volume control with "stay put" segmented "click" positioning Selector switch for metal detector compatibility with all single-output metal detectors without adapters Heavy-duty muff-to-muff connection cable Heavy-duty coil cable with your choice of two 1/4-in or two 1/8-in stereo connectors, or one of each size Compact carry and storage foldable design Less reflective muff color Heavy-duty polymer muffs with full-ear surround, soft comfortable cushions Adjustable padded headband Speakers designed for maximum sensitivity, efficiency, durability, and signal quality No limiting circuitry for loud wide-open signaling Special sound-blocking muff design eliminating environmental ambient noise up to 24 decibels Frequency Response: 200 - 3200 Hz Sensitivity: 72 dB @ 1kHz min Impedance: 150 ohms nominal Backed by a limited lifetime manufacturer warranty