Sennheiser Electronic RS 220
Jan 23, 2012 1:00 AM, By Erin Shipps, senior associate editor
These digital wireless headphones have a full, detailed sound while offering total freedom of movement. Dynamic transducers with powerful neodymium magnets ensure clear, lifelike audio reproduction with a frequency response of 19Hz to 21kHz. The maximum sound pressure level of the open, circumaural headphones is 106dB. In the RS 220, the transmitter sends the audio signals to the headphones without compression via a stable 2.4GHz connection using the Direct Sequence Spread Spectrum (DSSS) technique. The headphones have a range of up to 100m without the need for the transmitter and receiver to be in the same room. A further advantage of the transmission process is the low latency and thus minimum delay of the audio signal.
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