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Sony MDR-IF240RK Wireless Stereo Headphones System

Item # SNMDRIF240RK (Part # MDR-IF240RK)
Fast Free Shipping & 45-Day Returns
Discontinued Brand new, USA Warranty
Item Description:
Wireless infrared system, 23ft transmission (front course), Open-air design volume control on the headphones, 30mm driver units for deep bass and high quality sound, Up to 35 hours of battery life with supplied battery


package contents





- Audio Modes: Mute: Operates when RF signal is weak or not received
- Driver Unit: 30mm
- Effective Range: Approximately 24 ft (7m); 10 ft (3m) at +-45 degree line-of-sight
- Frequency Response: 18 - 22,000Hz
- Transmitter: Right 2.8MHz, Left 2.3MHz; (Frequency modulation)
- Volume Control: Yes (Rotary)

- Design: Over-the-head, Home-music/movie/games
- Diaphragm: PET
- Headband: Wide, Self-adjusting
- Magnet: Ferrite
- Plug: UniMatch Adapter
- Power On/Off: Manual Power switch turns headphones ON/OFF. RED LED illuminates
- Type of Use: Home

- Communication: Infrared
- Headphone Type: Open-air, Dynamic

Inputs and Outputs
- Audio In: Analog Phono Input (left/right), Analog Stereo Input mini jack (x1)
- Phono Input(s): 1 (Stereo L/R phono plugs)

- Battery Charging (Approx): 16H (to fully charge an empty battery); Battery is charged by placing MDR on TMR
- Battery Life (Approx): 60H (with fully charged supplied NiMH battery pack); 28H (with AAA type alkaline battery)
- Battery Type: Rechargeable Ni-MH battery pack (supplied); AAA x2 (not supplied)
- Internal Power Supply: Transmitter: Supplied AC adapter (9V)
- Power Requirements: Rechargeable nickel-metal hydride battery (supplied) or commercially available (size AAA) alkaline batteries
- Recharging Time: 24 hours (Approx.)

Weights and Measurements
- Cord Length (Approx.): 39 3/8 in. (1.0 m) Stereo connecting cable
- Dimensions (Approx.): Transmitter: 6 1/8 x 3 1/8 x 4 in. (154 x 78 x 99 mm)
- Weight (Approx.): Headphones: Approximately 4.41 oz. (125 grams) Including supplied battery Transmitter: Approximately 4.06 oz. (115 grams)

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