The RS 220 Open-Aire Digital Wireless Headphones from Sennheiser are designed to provide premium quality audio, similar to that of the popular HD 600 series, without the hassles of wires so you can enjoy your favorite music, movies, and games as part of your home theater. The system delivers uncompressed digital audio thanks to DSSS technology, which bridges the quality gap between wired and wireless headphones. The system can work in crowded RF environments amongst Bluetooth, Kleer, and Wi-Fi signals without sacrificing quality. The RS 220 offers clear, clean audio without the need for wireless tuning.
The system includes a sleek transmitter/charger base, which connects to audio sources such as televisions, cable boxes, Blu-ray players, etc. The transmitter has an analog stereo RCA input, plus optical and coaxial digital inputs, allowing you to connect to a wide variety of devices. Each input is duplicated into an output, allowing you to feed other components in a daisy-chain fashion. The RCA input has an input gain control to round out the input panel functionality.
The headphones have a wireless range of up to 300' line-of-sight or 100' indoors, giving you freedom to listen from wherever you're most comfortable. The open-aire earcup design and dynamic drivers offer clear, natural audio reproduction with an extra-wide frequency response so you hear every detail. The headphones have soft velour cushions that fit around the ears, plus an adjustable headband with a tension-reducing spring-loaded earcup swivel mount to provide long-lasting comfort. Tactile buttons let you control the volume, audio source, and balance with ease, even in dimly lit rooms. The headphones operate on 2 rechargeable AAA batteries for up to 8 hours. To recharge, simply dock the headphones on the transmitter/charger base.
| Operating Frequency | 2.4 GHz (2.4 to 2.483.5) |
| Type | Around-ear, open-aire, dynamic |
| Frequency Response | 16 Hz - 22 kHz |
| SPL | 106 dB max |
| Total Harmonic Distortion | < 0.1% |
| Signal to Noise Ratio | 90 dB |
| Sampling Rate | Supports signals up to 96 kHz (downsamples to 44.1 kHz) |
| Connectors |
1 x Stereo RCA analog input 1 x Toslink optical digital input 1 x S/PDIF coaxial digital input |
| Power |
Headphones: 2 x AAA NiMH batteries (BA 200m, 930 mAh, 1.2 V) Transmitter: 9 VDC, 1A power supply |
| Battery Life | Up to 8 hours (6-8 hours average) |
| Weight |
Headphones: 11.1 oz (329 g) Transmitter: 16.4 oz (484 g) |