sennheiser rs120 926 mhz wireless rf headphones with charging cradle
technical details frequency response 22-19 500 hz transducer principle dynamic open thd lt 0.7 max . spl 106 db ear cupling supra-aural modulation fm stereo power supply via 2-aaa batteries weight without cable 230g range up to approx. 100m general description the rs 120 is a lightweight rf wireless headphone system with open supra-aural headphones . they feature a transparent well-balanced sound with excellent bass reproduction making them an ideal choice for both hi-fi and tv use . the transmitter is fitted with an easy recharge function for conveniently recharging the included headphone batteries . the rs 120 offers freedom of movement stylish design and optimum comfort at an affordable price . features detailed warm sound reproduction with excellent bass response ideal for all types of modern music and tv use three selectable channels very lightweight and comfortable to wear convenient controls for easy intuitive operation transmitter doubles as a charging unit headphones are recharged when stored on the metal cradle transmitter can be wall-mounted delivery includes hdr 120 rf wireless headphones tr 120 rf wireless transmitter charging unit power supply unit for the transmitter charger 2 rechargeable nimh batteries aaa wireless freedom and stereo sound with reception through walls and ceilings up to 328 feet open-aire supra-aural design for hi-fidelity audio reproduction volume on off and tuning control located on the headphone replaceable earpads for long service life supports the use of multiple headphones receiving the rf signal from one transmitter use hdr 120 2-year warranty ie6 dynamic in-ear headphones sennheiser mx 580 in-ear stereo headphones hd 218 closed back headphones iphone ipod mp3 compatible hd 201 hd 202 hd 428 hd 438 hd 448 frequency 21-18 000 hz 18-18 000 hz -3 db 1 khz 18-22 000 hz 17-22 500 hz 16-24 000 hz thd lt 0.7 lt 0.5 lt 0.1 1 khz 100db lt 0.1 1 khz 100db lt 0.1 1khz 100db transducer priciple dynamic dynamic closed dynamic closed dynamic closed dynamic closed weight 165g 130g 390g 394g 380g wireless no no no no no sound pressure level 108 db 1 khz 1 v 115 db 1 khz 1 v 110 db 112 db 1 khz 1 v 1 khz 1 v warranty 2 yrs 2 yrs 2 yrs 2 yrs 2 yrs