Sony MDR-RF975RK 900 MHz RF Wireless Headphone

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Key Features:

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.

• Noise Reduction System

• Comfortable Closed Circumaural Headphones

• AC Adaptor, 9V

• 3 Transmission Channels Available

• Easy Battery Charge System

• Connecting Cord

• AFM Transmission System

• UniMatch Plug Adapter

• Automatic Power On/Off

• Automatic Tuning on Headphones

• Easy Connection to Home Audio System, TV or VCR

• 30mm Diameter Drive Units

• Neodymium Magnet for Powerful Bass and Clear Treble Sound

Specifications:

•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
• Transmitter:
• Power Requirements: AC 120Vm 60Hz when used with supplied AC power adapter which connects to the DC 9Vjack
• 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
• Headphones:
• 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