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Sony MDR-DS4000 Infrared Cordless Surround Sound Headphones

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Product 241630
Product Price $0.00
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Real 5.1 channel surround sound digital infrared transmission, supporting DD, Dolby Pro Logic II, dts, and MPEG-2 AAC formats. Audio compression boos...Click To Read More About This Product

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Unsurpassed for late night movie watching!

Real 5.1 channel surround sound digital infrared transmission, supporting DD, Dolby Pro Logic II, dts, and MPEG-2 AAC formats. Audio compression boosts dynamics for impressive sound at low levels. Optical output enables connection with optically equipped gear, like AV systems. Just place the headphones on the processor to charge battery. Easy connection with only one cable (optical or audio). Connects to a DVD player, digital TV, digital broadcasting satellite receiver, etc., with the supplied optical and audio cables.

  • Compatible with a wide variety of audio formats: Dolby Digital, Dolby Pro Logic II, dts, and MPEG-2 AAC
  • Digital infrared transmission system Uncompressed transmission sound
  • Resists external noise and interference
  • Stunning 5.1 surround sound capability based on newly developed XD technology
  • Battery is automatically charged by placing the headphones on the processor
  • Audio compression for low-level listening
  • Self-adjusting mechanism headband
  • Output Power : 15mW + 15mW
  • Distortion : Processor- Less than 1% at 1kHz
  • General
  • Headphones: MDR-IF4000
  • INFRARED Modulation : Frequency modulation- DQPSK
  • INFRARED Carrier Frequencies : Transmitting frequencies- 3.75MHz
  • INFRARED Wavelength : Signal reception distance- 7m forward, 3m at ±45 degrees
  • Type : Closed, dynamic
  • Circumaural design
  • Mute operates when infrared signal is not received
  • Auto power On/Off- Power turns ON when headphones are worn
  • Power ON indicator on headphones
  • Red LED lights up molded band with self-adjusting mechanism for suspenders
  • Rotary volume control
  • Drivers: 40mm diameter, dome type drivers
  • Long-stroke diaphragm
  • Neodymium magnets
  • Frequency response: 10-22,000Hz
  • Power Requirements : Rechargeable supplied Ni-MH batteries x2
  • Power Requirements : Not supplied alkaline AAA x2
  • Processor : DP-IF4000
  • Decoding functions- Dolby† Digital (Max 5.1ch)
  • Decoding functions- Dolby† Prologic II
  • Decoding functions- dts (Max 5.1ch)
  • Processor : Decoding functions- MPEG-2 AAC
  • Processor : Effect mode- OFF
  • Processor : Effect mode- Cinema
  • Effect mode- Music
  • Transmitter FREQUENCY RESPONSE- 12-24,000Hz at 48kHz Sampling
  • Power On/Off
  • Compression On/Off
  • Power Requirements: Supplied AC adapter (9V1100mA)
  • Inputs: Audio input (1 power supply)- Optical Digital Input (square
  • type) x1
  • Inputs : Audio input (1 power supply)- Analog input (pin jack x2) x1
  • Outputs : Optical Digital Output (square type)- available x1
  • Power
  • Battery Life : Supplied NiMH battery- 7 hours with full charge
  • Battery Life : Supplied NiMH battery- 20 min with 1 hour charge
  • Battery Life : Sony alkaline battery- 13H
  • Supplied Accessories:
  • AC adapter (DC9V/600mA) 120V
  • Connecting cord 1.5m, optical cable
  • Rechargable battery NiMH; 550mAh x2 (BP-HP550)
  • Weight: Headphone: 11 oz. Processor: 14 oz (400 g)
  • Approximate dimensions: Processor: 6-3/10"W x 6-3/10"H x 7-7/8D"

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