These closed-back headphones are an all-around performer, offering an accurate listening experience.
K77 Perception headphones include comfortable leatherette ear pads and a self-adjusting headband, allowing extended wear without discomfort.
They come with a 2.5m (8ft), fixed, straight cable, including convertible jack plug.

Over-ear, semi-closed design
for high comfort
Large high-performance 40mm (1.6") speakers
provide a powerful and convincing sound
Extremely lightweight
for excellent comfort

General
Headphone type: semi-closed
Audio Frequency bandwidth: 18 to 20000 Hz
Sensitivity headphones: 112 dB SPL/V
Max. Input Power: 200 mW
Rated Impedance: 32 Ohms
Earpads: Leatherette
Detachable cable: no
Cable Length: 2.5 m
Audio Interface
Type: Convertible Jack Combo (1/4" and 1/8")
Gender: Male
Contacts: 3-pin
Design
Finish: matte black
Dimensions / Weight
Length: 86 mm
Width: 185 mm
Height: 215 mm
Net Weight: 190 g