Drapinski TV

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Sennheiser Infrared Stereo Listening System

At a Glance

The Set 900 system lets you enjoy sound no matter what you are doing. If you are in a theater or a concert hall equipped for infra-red transmission, you can adjust the volume at the receiver to suit your individual taste – allowing you to enjoy the event in optimum sound quality. At home you can connect your Set 900 to your TV or hi-fi system.

Proposition 65 Warning for California Residents

The cordless listening system guarantees you excellent sound that can be, for example, individually treble-emphasized. With its separately switchable microphone amplification the receiver is just like reading glasses for your ears: speech becomes more understandable, making conversation easier. The activated microphones also improve your ability to perceive ambient noises such as the ringing of a telephone while watching TV.

Additional Features

Easy to connect and to use

Excellent stereo sound, individually adjustable

Three selectable hearing settings on the transmitter: optimized speech intelligibility due to switchable compression and treble boost

Individually adjustable treble boost

Infra-red audio transmission for cordless mobility of up to 12 m within a room

Two switchable microphones on the receiver pick up and amplify surrounding noise allowing the user to hear ambient sounds such as the phone ringing whilst watching TV

Foldable receiver and supplied carrying case for easy transportation

Amplified stereo sound when you are out and about and in rooms equipped with infra-red technology (e.g. theater)

Large, ergonomic volume control and balance control on the receiver

Precisely fitting, flexible ear pads ensure high wearing comfort

Receiver with automatic on/off function

Receiver can be placed into the transmitter's charging compartment either way round

Lithium-polymer rechargeable battery for 12 hours of continuous use

What's in the box?

1 RI 900 stethoset receiver

1 TI 900 transmitter / charging station

1 BA 300 battery

2 pairs of replacement earpads

1 Power supply with national adapters for EU, UK, US

1 TV RCA adapter

1 TV SCART adapter

1 connection cable with two 3.5 mm stereo jack plugs and one adapter to 1/4" (6.3 mm) jack socket

1 carry case

Technical Data

Wearing style: Stethoset

Color: Silver

Dimensions Receiver: 240 x 120 x 25 mm

Dimensions Transmitter: 115 x 145 x 40 mm

Frequency response: 50 - 16000 Hz

THD, total harmonic distortion: < 1 %

Weight Receiver: ~ 73 g

Weight Transmitter: ~ 260 g

Charging time: 3 h

Microphone connector 3,5 mm, same socket as Audio-XLR connector

Signal-to-noise ratio typ. 75 dB(A)

Operating time Receiver: up to 12 h

Modulation FM, stereo

Acoustic amplification max. 20 dB (A)

Max. Sound pressure level (active) 125 dB

Receiving frequency 2,3 MHz/2,8 MHz/95 kHz

Transmission frequency 2,3 MHz / 2,8 MHz

Transmission range up to 12 m

*Warning (for California residents only): Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Every Consumer Products company is required to post the warning no matter if their products pose any harm. Sennheiser products are all RoHs compliant, yet we are by law required to post the Proposition 65 warning message anyway.