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HD 457 Headphones | Streetwear Headphones Cat. No. 005177 General Description The HD 457 are open, dynamic hi-fi stereo headphones for both mobile audio sources such as MP3, MiniDisc & CD players and home hi-fi systems. Soul, funk, grunge and percussion music can be heard to its best advantage due to the headphones’ balanced sound image and warm bass. When out and about, a convenient cord take-up lets you adjust the headphone cable to the required length. Technical Data Frequency response ........................25–21,000 Hz (–3 dB/1 kHz) Transducer principle.................................................. dynamic, open Nominal impedance ....................................................................32 Ω Characteristic SPL .....................................114 dB (at 1 kHz, 1 Vrms) THD ........................................................................................... < 0.5 % Ear coupling ...................................................................... supra-aural Weight (without cable)..............................................approx. 130 g Connector ......................3.5/6.3 mm Ø stereo mini jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug Connection cable..................... 3 m, detachable, OFC copper cable Features j Open, supra-aural, dynamic hi-fi stereo headphones j Ideal both for mobile audio sources such as MP3, MiniDisc & CD players and home mini hi-fi systems j Manually inserted cellulose fleece ensures balanced sound image j Ultra-lightweight diaphragm material and powerful neodymium magnets for wide dynamics j Excellent stereo sound and warm bass for modern music such as soul, funk, grunge, etc. j Clips to the belt: cord take-up for adjusting the cable length when listening on the move j Extremely comfortable to wear due to ultra-lightweight design, even for extended listening j Rugged outdoor design with extremely flexible headband j 3 m detachable highly conductive OFC copper cable j Replaceable fabric ear pads Recommended Accessories j Stereo volume control HZR 62 Replacement Parts j Ear pads (1 pair) Cat. No. 005248 25-21,000 Hz 32 Ω < 0.5 % 3.5/6.3 mm OFC 3m Cat. No. 085728 130 g
