* Selector switch for metal detector compatibility without adapters. * Selector switch for limiter. * Special low-noise signal limiting circuitry protects your hearing from high volume hits without batteries. * Heavy-duty muff-to-muff connection cable. * Heavy-duty coiled cord with a special three conductor 1/4", 90 degree angle stereo connector. * Industrial grade Nylon 6/6 pigtail strain relief on cord termination. * Compact carry and storage foldable design. * Heavy-duty sound blocking polymer muffs with full-ear surround. * Stay-soft, non-hardening cushions. * Adjustable padded headband... no screws, no wire frame, no rust! * Speaker elements are the ultimate in sensitivity, efficiency, durability, and signal quality. * Special sound-blocking muff design eliminating environmental ambient noise up to 24 decibels. * Frequency response: 200 - 3200 Hz... only what your detector uses. * Sensitivity: 72 dB @ 1kHz min. * Impedance: 150 ohms nominal. * Backed by a limited lifetime warranty |
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