Drop + HIFIMAN HE-X4 Planar Magnetic Headphones

Drop + HIFIMAN
Headphone type: Open-back
Ear coupling: Over-ear
Drivers: Dual-magnet planar magnetic drivers
Sensitivity: 91 dB
Impedance: 25 ohms
Frequency response: 20 Hz – 20 kHz
Spring steel and hand-stitched protein leather headband
Focus-A hybrid ear pads
Adjustable sliders
Steel gimbals with black oxide finish
Black printing
Laser-etched serialization
Cable: 4.9 ft (1.5 m), detachable
Plug: ¼ in (6.35 mm)
Weight: (420 g)