Sony 900MHz RF Wireless Headphone System MDR-RF915RK

Wireless Design lets you move 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

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900MHz Radio Frequency (RF) Transmission provides better sound quality & greater

30mm Diameter Driver Units are larger

Provides deeper bass, lower distortion & wider dynamic range

Low frequency response extends down to 20Hz

PET Diaphragms ensure high rigidity for excellent high-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

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Double Headband w/ self-adjusting mechanism for perfect fit

Built-in Rechargeable Ni-Cad Batteries are more convenient than ordinary replaceable batteries, and when fully charged provide up to 23 hours of operating power

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

AFM Transmission System resists static and distortion for higher fidelity

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

General:

RF Modulation: Frequency modulation

RF Carrier Frequencies: Channel 1: 913.5 MHz, Channel 2: 914.0 MHz, Channel 3: 914.5 MHz

Effective Range: 150 feet

Transmitter:

Power Requirements: AC 120Vm 60Hz when used with supplied AC power adapter (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

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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 Power Requirements: Headphones: Ni-Cad battery, supplied, Transmitter: 9V AC with supplied adapter Battery Life Approx: 23 hours with fully charged Ni-Cad battery (built-in) Sensitivity: 105 dB/mW Impedance: 24 ohms at 1 kHz Tuning: Manual Volume: Rotary control Power Handling: Capacity 1000mW (IEC) Weight: Headphones: 8 3/8 oz (240g) w/battery, Transmitter: 6 2/3 oz (190g) Dimensions(WxHxD): Transmitter: 6" x 4 1/4" x 6" (150 x 108 x 150cm)