Sony Wireless Radio Frequency Headphones - MDR-RF925RK

Product Details

Sony Wireless Radio Frequency Headphones, Model MDRRF925RK

No more fussing with messy wires. The MDR-RF925RK wireless headphones system gives you the freedom to travel up to 150 feet from your sound source while delivering stereo quality sound. This system includes Ni-MH rechargeable batteries, 900MHz RF wireless transmission and headphones with a 40mm driver for deep bass. An auto tuning feature conveniently scans up and down the band to automatically tune in channels. The MDR-RF925RK wireless headphones system enables an easy connection to a wide variety of sound sources.

Features:

• 900MHz RF wireless transmission, FM stereo sound
• Induction charging: not direct pin contact for ease
• Volume control on ear piece, auto power On/Off

Specifications:

• Frequency Range: FM stereo
  
• Transmitter: Ch1:915.5MHz, Ch2:916.0MHz, Ch3:916.5MHz [selective]
  
• Channel Selection: Select by a slide switch
  
• Frequency Response: 38kHz (Sub Carrier frequency); 19kHz (Pilot tone)
  
• Effective Range: Max. 150ft (46m) for signal reception distance
  
• Headphone Type: Closed, dynamic
  
• Driver Unit: 40mm
  
• Diaphragm: PET
  
• Magnet: Ferrite
  
• Tuning: Manual Tuning
  
• Frequency Response-2: 20-20,000Hz
  
• Output Power: 5mW + 5mW
  
• Volume Control: Yes (Rotary)
  
• Headphone Type-2: Headband: Mold band with self adjusting mechanism for suspenders
  
• Battery Type: Rechargeable Ni-MH battery pack (supplied); AAA x2 (not supplied)
  
• Battery Life (Approx.): 18H (with fully charged supplied NiMH battery pack); 28H (with AAA type alkaline battery)
  
• Battery Charging (Approx.): 16H (to fully charge an empty battery); Battery are charged by placing MDR on TMR
  
• Power On/Off: Power turns ON when headphones are worn; Red LED light indicator
  
• Noise Level: Mute operates when RF signal is weak or not received
  
• Transmitter-2: 30-12,000Hz
  
• Internal Power Supply: Transmitter: Supplied AC adapter (12V,200mA)
  
• Power On/Off-2: Transmitter: ON, when signal sent at audio input

Approximate Weight:

• Shipping: 2 lbs

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