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Review Summary
Over-the-head, Home-music/movie/games
Open-air, Dynamic
PET
Wide, Self-adjusting
Neodymium
Manual Power switch turns headphones ON/OFF. RED LED illuminates
Infrared
Mute: Operates when RF signal is weak or not received
40 mm
33 ft (10 m)
13 ft (4 m) at +/-45deg. line-of-sight
10 - 24,000 Hz
Right 2.8 MHz
Left 2.3 MHz (Frequency modulation)
Yes (Rotary)
Analog Phono Input (left/right)
Analog Stereo Input mini jack (x1)
1 (Stereo L/R phono plugs)
16H (to fully charge an empty battery)
Battery is charged by placing MDR on TMR
60H (with fully charged supplied NiMH battery pack)
28H (with AAA type alkaline battery)
Rechargeable Ni-MH battery pack (supplied)
AAA x2 (not supplied)
Transmitter: Supplied AC adapter (9V)
Rechargeable nickel-metal hydride battery (supplied) or commercially available (size AAA) alkaline batteries
24 hours
39.37" (1m) Stereo connecting cable
Transmitter: 5.5x2.37x4.5" (13.97x6.01x11.43cm)
Headphones: 7.06oz (200.14g) Including supplied battery Transmitter: 1 lbs 5.30 oz (603.27g)
Listen or watch whatever you want, as loud as you like, while keeping it all to yourself. The Sony MDR-IF245RK Wireless Stereo Headphone is a powerful sound, thanks to the 40 mm driver units working in perfect unison with a noise reduction system to provide crystal clear audio. And you're now free to roam within 26' of your TV or sound system without tripping over cords or finding yourself tangled up on some piece of furniture. Self-adjusting headband provides an extremely comfortable listening experience while the included rechargeable battery delivers up to 28 hours of battery life and fast recharge functionality.