Superlux HDB581 Closed supra-aural Wireless Headphone, Black

HDB581 Closed supra-aural Wireless Headphones

HDB581 is equipped with 39mm driver with wide and balanced frequency response to produce great sound field. HDB581 owns the incredibly comfortable wearing with upgraded earpad material and more fit headband. Thanks to the high durability and comfort, HDB581 is suitable for personal entertainment, professional monitoring and other occasions.

General Features

• Equipped with tailored Ø39mm headphone driver for high definition and full-range frequency response in every using environment.
• Premium earpad material for high durability and comfort.
• Unique structure design to achieve ultimate comfort even when long-time wearing.

Specifications
Type：Dynamic, supra-aural
Driver：Ø39mm, neodymium
Sensitivity：102 dB SPL（1mW）at 1KHz
Frequency Response：20-20,000 Hz
Rated Impedance：70Ω（copper-coated aluminum wire）
Cable：0.5 meter
Operating Distance：10m（free space）
Battery：
Music playtime：up to 23 hrs
Charging time：around 3.5 hrs