Technical data

 

RS 4 system

Modulation

 

FM stereo

Range

 

up to 100 m

Audio frequency response

 

20 - 19,500 Hz

THD

 

‹ 1 %

 

 

T 4 transmitter

Power supply

 

12 V DC via plug-in mains unit NT 92

Power consumption of transmitter

 

approx. 1 VA

RF output power

 

typ. 1.2 mW

Signal-to-noise ratio

 

typ. 70 dB

Frequencies T 4

 

433.40 MHz, 434.13 MHz, 434.50 MHz (channels switchable)

Frequencies T 4-9

 

924.80 MHz, 925.80 MHz, 926.50 MHz(channels switchable)

Audio input voltage / Audio connector

 

10 mV - 3 V / 3.5 mm stereo jack plug + 1/4" (6.3 mm) adaptor

Charging compartments

 

2, for BA 151

Weight / Dimensions

 

approx. 90 g (without plug-in mains unit) / 134 x 87 x 33 mm

 

 

HDR 4 headphone receiver

Transducer principle

 

open

Signal-to-noise ratio

 

› 65 dB

Max. sound pressure level

 

103 dB

Tuning range HDR 4

 

433 - 435 MHz, stepless

Tuning range HDR 4-9

 

923.1 - 927.0 MHz, stepless

Power supply

 

via BA 151 rechargeable accuplug, 2.4 V

Current consumption / Operating time

 

approx. 18 mA / approx. 3.5 hrs per accuplug

Weight / Dimensions

 

approx. 160 g incl. accuplug / 150 x 80 x 200 mm

Supply schedule

1

T 4 or T 4-9 transmitter

 

1 HDR 4 or HDR 4-9 headphone receiver

 

1 BA 151 rechargeable accuplug

 

1 plug-in mains unit, 12 V DC, for 230, 120 or

 

 

240 V mains voltage

 

1 connection cable with 3.5 mm / 6.3 mm (1/4") jack plug adaptor

 

1

Plastic tubing

 

1 RCA adaptor stereo (US-Version only)

 

1

instructions for use

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Sennheiser manual Technical data RS 4 system, Transmitter, HDR 4 headphone receiver, Supply schedule

RS 4 specifications

The Sennheiser RS 4 is a premium wireless headphone system that delivers exceptional audio quality, features, and user-friendly designs. Tailored for audiophiles, movie lovers, and casual listeners alike, the RS 4 provides an immersive audio experience, whether you're lounging at home or enjoying a cinematic experience.

One of the standout features of the Sennheiser RS 4 is its advanced wireless technology. Utilizing the latest in RF (Radio Frequency) transmission, the headphones ensure minimal latency and interference, allowing users to enjoy high-fidelity sound without the drawbacks of traditional wired systems. This technology provides a reliable connection up to a distance of 100 meters, ensuring that listeners can move freely around their space without sacrificing audio quality.

The RS 4 headphones are equipped with large, dynamic drivers that produce a rich and detailed sound signature. With a frequency response range that captures deep bass notes as well as crisp treble, listeners can enjoy a balanced sound profile that enhances music, movies, and games alike. The headphones also feature passive noise cancellation, allowing users to immerse themselves in their audio without distractions from the outside world.

Comfort is paramount in the design of the Sennheiser RS 4. The headphones boast plush ear cushions and an adjustable headband, ensuring a snug yet comfortable fit for extended listening sessions. This ergonomic design not only enhances comfort but also assists in achieving effective sound isolation.

The RS 4 system includes a versatile charging dock that not only serves as a stable resting place for the headphones but also doubles as an audio transmitter. This dock can easily connect to a wide variety of devices, including TVs, computers, and audio receivers, making it an incredibly adaptable option for any audio setup.

Additionally, the RS 4 incorporates user-friendly controls, allowing listeners to adjust volume levels and switch tracks with ease. This convenience enhances the overall user experience, making the headphones suitable for any consumer.

In summary, the Sennheiser RS 4 combines premium audio performance, advanced wireless technology, comfort, and practicality in a single package. Whether you're an audiophile seeking high-quality sound or someone looking for a convenient and comfortable way to enjoy music and movies, the RS 4 is an outstanding choice that meets a wide range of audio needs. With its compelling features and thoughtful design, the Sennheiser RS 4 continues to excel in the competitive wireless headphone market.