Sennheiser PXC 250 Noise-Canceling Headphone
Portable audio takes on fresh life with quality headphones, and Sennheiser's folding, lightweight, closed-ear PXC 250 is designed to keep outside noises out and headphone sound in--perfect for use in busses and libraries alike. When engaged, NoiseGard active noise reduction drops steady-state low-frequency noise (from about 500 Hz and below) by 15 dB--which the human ear perceives as more than halving the noise--thus enhancing the clarity of your music. The noise reduction circuit requires 2 AAA batteries (not included), but the headphones work fine without the circuit engaged. Sennheiser's fold and flip design lets you turn the ear pieces 90 degrees and fold the headphones closed. Their ported design lets them move more air for greater bass response.Editor's Rating : 5 / 5
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Features & Specifications
Features
- Dynamic stereo mini headphones
- Great for travel and outdoor use with mobile sources such as CD, MD or MP3 players
- Fold and flip: registered design allows the ear cups to be turned through 90° and fold the headphones closed (headphones will lock in open and closed positions)
- For transport: supplied with soft belt pouch with extra pocket (185 x 105 x 40 mm)
- 1.8 m Kevlar-reinforced OFC copper cable with 3.5 mm jack plug, delivered with an adaptor to 6.3 mm (0.25") stereo and 3.5 mm double mono (for airline audio)
- Ideal for use in coaches, trains etc.: soft ring ear pads with improved fit and closed ear cups ensure excellent passive attenuation of ambient noise (-15 to -25 dB for frequencies above 1,200 Hz)
- Ideal for aircraft and other environments with engine noise: the switchable NoiseGard™ active noise compensation attenuates frequencies below 1,000 Hz by up to -15 dB
- Impedance optimised for use in aircraft
- In-line NoiseGard™ power supply box (2 AAA size batteries) clips to the belt and can be rotated through 360°
- For all types of modern music: detailed sound reproduction with a slight emphasis on the bass
- High-resolution sound due to Sennheiser "Duofol" diaphragms with spiral embossing (reduces and spreads eigenforms)
- Ultra-lightweight voice coils for high efficiency with portable players
- Adaptive baffle damping (patent pending)
- Bass tube for powerful, punchy bass
- Lightweight: only 65 g without cable
- Rugged and durable: robust steel headband with metal joints, steel-reinforced headband ends, connection to the ear cups tested for durability
- 2-year guarantee
Specifications
- Nominal impedance: 300 Ohm
- Jack plug: 3.5 mm stereo
- Transducer principle: Dynamic, closed
- Ear coupling: Supra-aural
- Cable length: 1.8 m
- Weight without cable: 65 g
- Frequency response: 10 Hz - 21000 Hz
- Sound pressure level (SPL): 106 dB (SPL)
- THD, total harmonic distortion: 0.1 %
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