Sennheiser RS185 - Technical Specifications

Specifications
RS 185 | 31
Specifications
RS 185 headphone system
HDR 185 headphones
TR 185 transmitter
Sennheiser NT 9-3AW power supply unit
Carrier frequency 2.40 to 2.48 GHz
Modulation 8
-FSK Digital
SNR
Analog input: ALC typ. 85 dBA at 1 V
rms
MLC ≥ 90 dBA
Digital input: > 90 dBA
RF output power max. 10 dBm Class 1
Transmission range up to 100 m/328 ft line of sight
Max. number of
simultaneously connected
headphones
2
Temperature range
Operation: 0°C to +40°C/32°F to 104°F
Storage: -25°C to +70°C/-13°F to 158°F
Relative humidity
Operation: 10 to 80%, non condensing
Storage: 10 to 90%
Transducer principle circumaural, open
Transducer system dynamic, neodymium magnets
Frequency response 17 Hz to 22 kHz
Max. SPL max. 106 dB at 1 kHz, 3% THD
THD < 0.5% at 1 kHz, 100 dB SPL
Operating time up to 18 hours
Charging time of
rechargeable batteries
up to 8 hours 30 min
Power supply
2 AAA size low self-discharge NiMH
rechargeable batteries, 1.2 V, 820 mAh
Weight (incl. batteries) approx. 310 g
Dimensions (W x H x D) approx. 17 cm x 20 cm x 9.5 cm
Connections
Digital: optical
Analog: RCA
Power supply 9 V , 300 mA
Power consumption
Operation: typ. 4 W
Standby mode: ≤ 0.3 W (without
charging)
Dimensions (W x H x D) approx. 12.7 cm x 23.4 cm x 10.9 cm
Rated input 100 – 240 V~, 50 – 60 Hz, 80 mA
Rated output 9 V , 300 mA
Temperature range
Operation: 0°C to +40°C/32°F to 104°F
Storage: -25°C to +70°C/-13°F to 158°F
Relative humidity
Operation: 10 to 80%, non condensing
Storage: 10 to 90%