Listen to music or TV at your preferred volume from anywhere in your home with the long-range headset included in the Sennheiser Set 840 RF TV Sound Amplifier System. The lightweight, under-the-chin headset features a large, ergonomic dial for painless control by anyone with dexterity challenges. It even includes both left ear and right ear volume and balance controls for fine-tuned listening.
The headset picks up crystal clear audio from the base transmitter/charger up to 328 feet away. The base even transmits through walls, so you can listen from your yard, basement, or the comfort of your couch. Treble emphasis can be individually set for customized listening. The base easily connects to most televisions and sends audio directly to the receiving headset.
Lightweight headset with flexible ear cushions
Headset range up to 328 feet, even through walls
Auto-tuning: automatic channel search tuning
Large, ergonomic volume control
Left and right ear volume controls up to 125dB SPL
Installation
EASY: The transmitter plugs into the audio jacks on your television.
Connection
The transmitter is powered by a power adapter (included). The transmitter charges the headset.
Technical Details
Contents
RI 840 stethoset headphones
TI 840 transmitter
BA 300 Rechargeable battery
(2) pairs of replacement earpads
Mains power supply
RCA adapter
SCART adapter
Connection cable with stereo jack plugs
Adapter to jack socket
MKE 800 TV N external mic
Product Specifications
Modulation: FM, stereo
Carrier frequency: 925.95 / 926.8 / 927.5 MHz
Range: up to 328 feet (100 m)
Frequency response: 50 to 16,000 Hz
Total harmonic distortion (THD): <1 percent (1kHz)
Sound pressure level (SPL): 125 dB
Signal-to-noise-ratio: typ. 70 dB(A)
Operating time (receiver): up to 9 hours
Charging time: approx. 3 hours
Weight
Receiver: approx. 2.4 ounces (68 g) (incl. accu)
Transmitter: approx. 8.8 ounces (250 g)
Dimensions
Receiver: 9.4 x 5 x 1 inches (240 x 128 x 26 mm)
Transmitter: 4.4 x 5.7 x 2.3 inches (112 x 146 x 58 mm)
Audio-XLR connector: 3.5 mm, stereo jack plug
Microphone connector: 3.5 mm, same plug as Audio-XLR connector
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