Sennheiser Audiophile HD 515

General Description
The open, dynamic HD 515 is a classic all-rounder and an affordable entry point into the audiophile 500 Series. It is fitted with Sennheiser’s innovative E.A.R technology, ensuring that the sound is accurately channelled into the ear. Overall listening pleasure is combined with outstanding wearing comfort.

Features
Enjoy music in a completely new way: “Eargonomic acoustic refinement” (E.A.R.) design channels the audio signal directly into your ears
Advanced Duofol diaphragm technology almost eliminates standing waves inside the capsule
Optimized neodymium ferrous magnet systems
Outstanding wearing comfort for long listening sessions
Long life due to easily replaceable parts
Lightweight aluminium voice coils for high efficiency and excellent dynamics
Extremely comfortable, soft, crackle-free ear pads
Bass reproduction below the human audibility threshold (15Hz)

Technical Data
Nominal impedance 50 Ohm
Contact pressure 3,5 N
Weight w/o cable 255 g
Jack plug 6,3 mm stereo (3,5 mm Adapter)
Transducer principle (Headphones) open, dynamic
Ear coupling circumaural
Cable length 3 m detachable single-sided OFC copper cable
Frequency response (headphones) 14.....26000 Hz
Sound pressure level (SPL) 108 dB (1 kHz and 1 Veff)
THD, total harmonic distortion < 0,2 %