Sennheiser MX 660

Design: Liners
Description: Design: in-ear, device type: wired headphones, design features: L-shaped plug, plug connector: mini jack 3.5 mm, type of acoustic design: open, functions: volume control
Additional Information: Case included: yes; Extension cable included; Cable type: symmetrical; Gold-plated connectors: yes; Replaceable ear pads: yes
Plug connector: mini jack 3.5 mm
Functions: Volume control
Impedance: 32 ohm
Sensitivity: 114 dB
Design features: L-shaped plug
Device type: Wired headphones
Mount type: Without attachment
Maximum playback frequency: 21000 Hz
Minimum repeatable frequency: 18 Hz
Technology: Dynamic
Type of acoustic design: Open