Sennheiser HD 300 PRO - professional headphones, dynamic, closed

Weight & dimensions
Height: 84 mm
Length: 245 mm
Weight: 297 g
Width: 187 mm

Performance
Cable length: 1.55 m
Wearing style: Head-band
Product colour: Black
Product type: Headphones
Folding design: Yes
Recommended usage: Studio
Cable colour: Black
Storage relative humidity (H-H): 0 - 90%
Minimum operating temperature: -15 °C
Maximum temperature: 55°C

Packaging content
Package contents: User manual, Adapter 6.35 mm x 1, Headphones, Audio Cable x1

Ports & interfaces
3.5 mm connector: Yes
Connectivity technology: Wired

Safety warning
Warnings: Read the user manual before use., Do not disassemble or modify the product yourself.

Headphones
Transducer type: Dynamic
Headphone frequency: 6 - 25000 Hz
Acoustic system: Closed
Headphone sensitivity: 108 dB +/- 3 dB
Ear coupling: Circumaural
Impedance: 64 Ω
max SPL: 123 dB
Noise reduction level: Up to 32 dB
Harmonic distortion (THD): 0,1%