Sennheiser - RS 180

In the RS 180, Sennheiser delivers an excellent sound reproduction. Using an open, circumaural design, the headphones can breathe from both sides of the ear cups, offering you an excellent sound image.

This wireless headphone sytem utilises Kleer's uncompressed digital wireless audio transmission and can serve up to four pairs of headphones. In addition, it gives you the freedom to travel up to 100m (line of sight) from your sound source.

The RS 180 is also equipped with balance and automatic level controls. The former provides for right/left volume adjustment while the latter for improved speech intelligibility as well as to ensure that the headphones always reproduce at optimum audio levels. Like the RS 170, the transmitter for the RS 180 is multi-functional - doubling as an 'easy-charge' cradle and docking station.

All in all, the RS 180 offers a superb sound and an effective wireless range, making it your ideal listening choice!

Specifications

Modulation	MSK Digital
Carrier frequencies	2.4 – 2.48 GHz
Range	approx. 100 m in the open area
Rated Input	100 - 240 V, 0.2 A, 50/60 Hz
Transmitter
Audio input	3.5 mm stereo
Audio output	RCA
Power consumption	< 0.5 W
Power supply	5 V DC , 500 mA
Signal-to-noise ratio	85 dBA (0.5 Vrms, 1kHz)
Weight	approx. 204 g (without batteries)
Dimensions	12,5 cm x 11,2 cm x 23,0 cm
Headphone
Transducer principle (Headphones)	open, dynamic
Ear coupling	circumaural
Sound pressure level (SPL)	110 dB
THD, total harmonic distortion	<0.5 % a 1 kHz, 100 dB SPL
Frequency response	18 Hz - 21000 Hz
Impedance	32 Ω
Charging time	approx. 16 hours
Power supply	2 NiMH-Akkus Typ AAA, 1,2 V, 600 mAh
Operating time	approx. 24 hours
Weight	approx. 204 g (without batteries)
Power supply
Rated Input	100 - 240 V, 0.2 A, 50/60 Hz
Rated Output	5 V DC, 500 mA
Operating temperature	0 °C to 40 °C / 32 °F to 104 °F