Sennheiser RS 175 Owner's Manual

Specifications

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RS 175

Specifications

RS 175

headphone system

HDR 175 headphones

TR 175 transmitter

Sennheiser NT 9-3AW power supply unit

Carrier frequency

2.40 to 2.48 GHz

Modulation

8-FSK Digital

SNR

analog input: typ. 85 dBA at 1 V

rms

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

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, closed

Transducer system

dynamic, neodymium magnets

Frequency response

17 Hz to 22 kHz

Max. SPL

max. 114 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: 3.5 mm stereo jack socket

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 cm

Rated input

100 – 240 V~, 50 – 60 Hz, 80 mA

Rated output