Sony Wireless Infrared Headphones (MDRIF3000)   Quantity in Basket: None Code: 12101 Price: $67.45 In stock and available for immediate shipment! Quantity: Sony Wireless Infrared Headphones (MDR-IF3000) The Sony MDR-IF3000 wireless infrared headphones are available as an additional, or replacement set of headphones for that company's MDR-DS3000 wireless surround headphone system. These full-range headphones, featuring a 23' reception range and providing a full 90° angle of movement, are surprisingly lightweight and battery operated. The rechargeable NiMH batteries offer a 35 hr. operating life. The MDR-IF3000 headphones are equipped with a dedicated rotary volume control knob and a mute function when no signal is present.The earpieces offer large 30mm drivers, ferrite magnets and thin PET diaphragms for optimized frequency reproduction and dynamic range. The adjustable earcups and headband are nicely padded for comfortable extended use. Features Infrared wireless stereo headphones with Open Back design Large 30mm diameter d river units, Ferrite magnets and thin PET diaphragms for smooth high frequency reproduction and extended dynamic range 23' reception range, 90 degree transmission/reception angle Double, self-adjusting headband, rotary type volume control knob Sony VPT (Virtual Phones Technology) with advanced level 125 MIPS Logic 3D processor Mute function eliminates noise when no signal is present in headphones Automatic Power On/Off feature: headphones power on when placed on head, power down when removed Open Back surround headphones, can also be used with standard 2-channel stereo systems Circumaural Open Back Stereo Wireless Infrared Headphones Frequency Range 20 Hz - 20 kHz Weight 10 oz (283.5 g) Manufacturer Warranty