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150 foot transmission range; 900 mhz radio Frequency (RF) transmission; 30mm diameter Driver Units; pet diaphragms; ferrite magnets; Lighweight Open-Air Headphone; Free adjusting headband for precise and comfortable fit; Rechargeable NiMH batteries included
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Features:
* Wireless Design: lets youmove 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
* 150 Foot Transmission Range : for listening enjoyment upstairs, downstairs, virtually everywhere in your home and outside in your backyard
* 900 MHzRadio Frequency (RF) Transmission : provides better sound quality and greater
* 30mm Diameter Driver Units : are larger than many portable headphones for deeper bass, lower distortion and wider DYNAMIC RANGE; low FREQUENCY RESPONSE extends down to 20Hz
* PET Diaphragms : ensure high rigidity for minimum distortion, and low mass for excellenthigh-FREQUENCY RESPONSE
* Ferrite Magnets : Combine high energy and small size for ample sound output
* Comfortable Open-Air Type Supra-Aural Headphones : fit securely for maximum FREQUENCY RESPONSE reception
* Double Headband : with self-adjusting mechanism conforms to the curve of your head for a fit
* Easy Rechargeable Battery System : automatically charges the headphones when placed onto the transmitter
* 3 Transmission Channels Available : helps ensure optimum signal reception; convenient sliding selector control on the side of the transmitter
* Automatic Power On/Off :for both headphones and transmitter conserves battery life; transmitter turns on when it senses an input signal; headphones turn on when you place them on your head
* 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
* FM TransmissionSystem : resists static and distortion for higherFidelity
* Included Rechargeable NiMHBatteries: provide up to 18 hours of playback when fully charged
Specifications:
RF Modulation : Frequency modulation
RF Carrier Frequencies : Channel 1: 913.5 MHz
Channel 2: 914.0 MHz
Channel 3: 914.5 MHz
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 to L/R phono plugs
Supplied UniMatch plug adapter converts stereo mini plug to stereo phono plug
Headphones
Type: Open air, dynamic, WIRELESS
Driver Unit : 30mm diameter, dome type
Diaphragm: PET
Magnet : Ferrite
Headband : Double band, self-adjusting
Frequency Response: 20-20,000Hz
Sensitivity 105 dB/mW; Impedance: 24 ohms at 1 kHz
Tuning : Manual
Volume : Rotary control
POWER HANDLING Capacity : 1000mW (IEC)
Transmitter : 150 feet (46m)
Power Requirements : Headphones: NiMH battery, supplied
Transmitter: 9VAC with supplied adapter
Power Battery Life :Approx 18 hours with fully charged Ni-MH battery (included)
Battery Life : Up to 28 hours with optional AAA Alkaline type batteries
Supplied Accessories: AC Adapter, 9V, Connecting cord
UniMatch plug adapter
Headphones: 9.5 oz (270g) w/batteryTransmitter: 6.9 oz (195g)
Dimensions: (WXHXD) transmitter: 5.25" x 4.9" x 5.35" (133 x 124x 136mm)
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| General Information | |
| Manufacturer | Sony Corporation |
| Manufacturer Part Number | MDRRF920RK |
| Manufacturer Website Address | www.sony.com |
| Product Name | MDRRF920RK Rechargeable Open-Air RF Headphones |
| Product Type | Headphone |
| Technical Information | |
| Connectivity Technology | Wireless |
| Earpiece | |
| Design Type | Over-the-head |
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