Sennheiser HD40 headphones

Here's more proof that no one combines extraordinary sound and extraordinary comfort quite like Sennheiser HD40 headphones, weighing in at an incredible two ounces, are the lightest-weight standard series Sennheiser Open-Aire headphones ever.  Yet, despite their unusual compactness, they continue the Sennheiser tradition of superb clarity and definition over a wide frequency range. plus rugged reliability, for years of musical enjoyment.

The Sennheiser HD40 offers an additional advantage, a new standard of value, out performing headphones many times its price. and the stranded-steel cable sets a new standard for durability.

For use with your portable walkaround you can get the same kind of superb sound and easygoing comfort with the Sennheiser HD40W.

Audition them today. You'll hear - and feel - the difference.

Specifciations:

HD40

Frequency Response:  22 Hz to 18 kHz

Impedance:  600 Ω (may be used with 4 ohm to 600 ohm outputs)

Sensitivity Nominal :  90 dB (SPL 1 m / at 1 kHz)

Total Harmonic Distortion:  1,5% (at 94 dB SPL)

Weight:  2,0 ounces (without cable)

Cable:  10 foot stranded-steel with molded standard 1/4" stereo phone plug

 HD40W

Impedance:  42 Ω

Sensitivity:  94 dB at 1 mW/1 kHz
Cable:  4 foot stranded-steel with stereo phone mini plug