Superlux HD 681 EVO

High quality headphones with rich bass, crystal clear high resolution and
accurate sound field positioning. Now the new HD681 EVO upgraded version
has a completely new, more slender shape and an improved smoother, more
neutral, treble tone. Type: Dynamic, Semi-open, Driver:o50 mm,
neodymium, Sensitivity:98 dB SPL (1mW), Frequency Response:10-30,000 Hz,
Maximum Power: 300 mW, Rated Impedance:32 ? (copper-coated aluminum
wire). Color: white

 HD681 EVO Dynamic, semi-open construction
Drive unit: Ø50 mm, neodymium iron
Sensitivity: 98 dB SPL (1mW) at 1KHz
Frequency response: 10 – 30,000 Hz
Maximum input power: 300 mW
Nominal impedance: 32 Ω @ 1KHz
Ear: Artificial Leather
Ear Pressure: HD681 EVO: about 3.5 Newtons
Cable: Detachable 1 m and 3 m straight, unilateral outlet; 3.5 Li
Access headphone connector body
Connector: 3.5 mm stereo gold-plated connectors