•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 coil cable available with special 1/4", 90 degree angle stereo connector.
•Compact carry and storage foldable design.
•Heavy-duty polymer muff with full-ear surround, soft comfortable cushion.
•Adjustable padded headband... no screws, no wire frame, no rust!
•Speaker designed for maximum sensitivity, efficiency, durability, and signal quality.
•Special sound-blocking muff design eliminating environmental ambient noise up to 24 decibels in one ear only.
•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.