Features:
Dynamic stereo mini headphones
Fold and flip: registered design allows the ear cups to be turned through 90 degrees and fold the headphones closed (headphones will lock in open and closed positions)
Fits into the shirt pocket: rugged transport case with cord take-up (145 x 75 x 27 mm)
Excellent sound quality for mobile audio sources
High-resolution sound due to Sennheiser "Duofol" diaphragms with spiral embossing
Crisp and fast bass response due to system "twin damping" with 80 ppi polyurethane and special perforated elements
Easily replaceable ear pads and headband padding (ear cups and headband can be replaced by your dealer)
Lightweight: only 65 g without cable
Bass tube for powerful, punchy bass
Specifications:
Nominal impedance: 32 Ohms
Jack plug: 3.5 mm stereo
Transducer principle (Headphones): dynamic, closed
Ear coupling: supraaural
Cable length: 1.4 m
Weight (w/o cable): 60 g
Frequency response (headphones): 10 to 21,000 Hz
Sound pressure level (SPL): 115 dB (SPL)
THD, total harmonic distortion: 0.1 percent