Sony 900MHz RF Headphones Wireless System MDR-RF975RK

Sony 900MHz RF Wireless Headphone System MDR-RF975RK
Sony 900MHz RF Wireless Headphone System MDR-RF975RK
Item# MDR-RF975RK
This item is currently Out of Stock!

Product Description:

Sony's MDR-RF975RK 900 MHz RF Wireless Headphone System lets you move inside and outside your house and still enjoy music and TV sound, and lets you turn up the volume late at night without disturbing others. The MDR-RF975RK features a comfortable closed Circumaural Headphone, easy rechargeable battery system, noise reduction transmission system to reduce extraneous noises and AFM transmission system to resist static and distortion for higher fidelity
  • AFM Transmission System resists static/distortion for higher fidelity
  • Automatic Tuning on Headphones for best reception of signal
  • Complete Kit supplied:
  • includes transmitter, headphones, connecting cord, UniMatch® plug adapter and AC power supply
  • Supplied Connecting Cord goes directly to headphone output of your high fidelity system for easy connection to hi-fi system, TV or VCR


  • RF Modulation: Frequency modulation
  • RF Carrier Frequencies: Channel 1: 913.5 MHz, Channel 2: 914.0 MHz, Channel 3: 914.5 MHz
  • Effective Range: 150 feet


  • Power Requirements: AC 120Vm 60Hz when used with supplied AC power adapter which connects to the DC 9V jack
  • Audio Input: Stereo L/R phono jacks, Supplied 3 ft. connecting cord goes from stereo mini plug toL/R phono plugs, Supplied UniMatch plug adapter converts stereo mini plug to stereo phono plug


  • Type: Closed, dynamic, wireless
  • Driver Unit: 30mm diameter, dome type
  • Diaphragm: PET
  • Magnet: Neodymium
  • Headband: Double band, self-adjusting
  • Frequency Response: 18-22,000Hz
  • Power Requirements: Headphones: DC 3V, Sony Ni-MH battery (built-in), Transmitter: 9V AC with supplied adapter
  • Battery Life Approx: 25 hours with fully charged Ni-MH battery (built-in)
  • Sensitivity: 105 dB/mW
  • Impedance: 24 ohms at 1 kHz
  • Tuning: Automatic
  • Volume: Rotary control
  • Power Handling Capacity: 1000mW (IEC)
  • Weight: Headphones: 12 1/4 oz (350g) w/battery, Transmitter: 7 oz (200g)
  • Dimensions(WxHxD): Transmitter: 5 1/8" x 5 5/16" x 6" (130 x 135 x 150cm)