•Single 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 special 1/4", 90 degree angle stereo connector.
•Compact carry and storage foldable design.
•Heavy-duty polymer muffs with full-ear surround, soft comfortable cushions.
•Adjustable padded headband... no screws, no wire frame, no rust!
•Speakers designed for maximum sensitivity, efficiency, durability, and signal quality.
•Special built-in signal limiting circuitry to protect hearing from high volume hits... no batteries!
•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