Sennheiser CC 515 mono headset with headband

Design: Invoices
Description: Design: on-ear, device type: wired headphones, acoustic design type: closed, functions: volume control
Functions: Volume control
Impedance: 180 ohm
Sensitivity: 103 dB
Length of cable: 1m
Device type: Wired headphones
Mount type: Headband
Maximum playback frequency: 6800 Hz
Minimum repeatable frequency: 150 Hz
Technology: Dynamic
Type of acoustic design: Closed