Sony MDR-RF970RK Wireless Radio Frequency Headphones

Sony Updated: 2007-09-29
Sony MDR-RF970RK Wireless Radio Frequency Headphones

Enjoy your music without wires. The MDR-RF970RK features noise reduction technology that really lets you listen to your tunes without any unwanted sounds. Travel in freedom up to 150 feet from your sound source while delivering higher fidelity stereo 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. Hear the difference with the MDR-RF970RK wireless headphones system.

900MHz RF Wireless transmission, FM stereo sound
Induction charging: not direct pin contact for ease
Noise Reduction technology to reduce interference
Neodymium magnets for higher fidelity sound

Product Specifications
Frequency Response: FM stereo
Transmitter: Ch1: 915.5MHz, Ch2: 916.0MHz, Ch3: 916.5MHz [selective]
Channel Selection: Select by a slide switch
Frequency Response-2: 38kHz (Sub Carrier frequency); 19kHz (Pilot tone)
Effective Range: 150ft (46m)
Driver Unit: 40mm
Tuning: Auto Tuning on headphones
Frequency Response-3: 10-22,000Hz
Volume Control: Yes (Rotary)
Audio Modes: Mute: Operates when RF signal is weak or not received
Frequency Response-4: Transmitter: 30-12,000Hz
Headphone Type: Closed, dynamic
Headphone Type-2: Headphone: Mold band with self adjusting mechanism for suspenders
Diaphragm: PET
Magnet: Neomydium
Power On/Off: Power turns ON when headphones are worn; Red LED lights up
Output Power: 5mW + 5mW
Battery Type: Rechargeable Ni-MH battery pack (supplied); AAA x2 (not supplied)
Battery Life (Approx.): 14H (with fully charged supplied NiMH battery pack); 22H (with AAA type alkaline battery)
Battery Charging (Approx.): 16H (to fully charge an empty battery); Charged by placing MDR on TMR
Internal Power Supply: Transmitter: Supplied AC adapter (12V,200mA)
Weight (Approx.): Transmitter: 220g
Dimensions (Approx.): Transmitter: 216x 105 x 96mm
Input(s): Stereo mini jack x1, Pin jack x2 (L/R)