Sony 900MHz RF Headphones
Wireless System MDR-RF975RK
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
General:
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 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
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)
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