Superlux semi-open type Professional Monitor Headphones HD681EVO / W WHITE (japan import)

Specification

Type: Dynamic, Semi-open ?Driver¡G?50 mm, neodymium
Sensitivity¡G98 dB SPL (1mW)?Frequency Response¡G10-30,000 Hz
Maximum Power: 300 Mw?Rated Impedance¡G32 £[ (copper-coated aluminum wire)
Earpad?Leather?Headphone Caliper Pressure: 3.5 N
Detachable 1-meter (3.3 ft.) & 3-meter