£79.95
RRP: £79.95
 
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Postage: Royal Mail Recorded Delivery - £4

The entire featherweight system comprising the high quality folding mini headphones, noise reduction filter with clip, airplane and stereo adapters is contained in a small, light carrying bag and allows relaxed listening at normal volume levels even in extremely noisy environments, and provides excellent sound quality.

The K 28 NC headphones reduce ambient noise in two ways. They use closed-back earphones and special electronic circuitry. Subminiature microphones integrated in the earphone shells pick up low-frequency ambient noise. The Active Noise Reduction filter reverses the polarity of the noise signal to generate its exact mirror image that will coincide with the original noise at the ear. As a result, ambient noise will be eliminated almost completely while the music signal remains practically unchanged.

The Active Noise Reduction filter is housed in a small, elegantly styled case with a clip for fastening on clothes, equipment, or any other convenient backing. It will operate for up to 40 hours on a single dry or rechargeable battery. A red LED indicates both operation and battery status.
The Active Noise Reduction Filter can be switched in or out of circuit. With the filter deactivated, the K 28 NC can be used in the same way as conventional stereo headphones.

No matter what audio source (in-flight entertainment system, iPod, MP3, MD, CD, PDA, PC) you want to listen to on a plane, train, car, bus, or boat, the AKG K 28 NC add to comfort and fun while reducing unwanted noise. n

Specifications

• Type: dynamic, closed-back, supraaural
  
• Audio bandwidth: 2 Hz to 28 kHz
  
• Sensitivity: 125 dB SPL/V
  
• Rated impedance: 32 ohms
  
• Battery life: 40 hours (1 AAA size dry battery)
  
• Cable length: 1.8 m (6 ft.)
  
• Active Noise Reduction: 25 dB max. >1.5 kHz; 15 dB max. <1.5 kHz
  

Weight (exc. cable)

• 73 g
  
• 2.6 oz.
  

What’s in the box

• Carrying bag
  
• Airplane adapter
  
• Mini to 1/4" stereo adapter jack
  
• 1 AAA size dry battery
  
• Instruction