IMPORTANT!

PKeep the receiver away from central heating radiators and electric heaters. Never expose it to direct sunlight.

PUse the receiver in dry rooms only.

TECHNICAL DATA

RI 150

RI 300

Modulation

FM, mono

FM, stereo

Carrier frequencies

2.3 MHz

2.3 MHz / 2.8 MHz

AF frequency response

18-18,000 Hz

18-18,000 Hz

THD

< 1 %

< 1 %

Signal-to-noise ratio

typ. 70 dB

typ. 64 dB

Operating time with one accupack

approx. 6 h

approx. 5 h

Weight with / without accupack

45 g / 35 g

45 g / 35 g

Max. sound pressure level

130 dBA

130 dBA / 126 dBA

SENNHEISER TECHNOLOGY AND SENNHEISER SERVICE ARE FUTURE-ORIENTED

Even after many years, you will still have unlimited pleasure from your infra- red sound transmission system. You can buy replacements for wearing parts such as ear-cushions and accupacks for many years to come. And in the unlikely event that any repairs should be necessary, Sennheiser service departments worldwide give moderately priced, fast and competent repairs.

ACCESSORIES

 

P BA 151 accupack

Cat. no. 04146

P Black ear-cushions, firmer version

EP1 Cat. no. 04655

P White ear-cushions, softer version

EP2 Cat. no. 04656

P L 151 charger for two accupacks

Cat. no. 04457

P L 151-10 charging unit for 10 receivers or 10 accupacks

Cat. no. 04494

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Sennheiser RI 300 manual Technical Data, Accessories

RI 300 specifications

Sennheiser RI 300 is a premium wireless receiver designed for professional audio applications, particularly in the realm of assistive listening and communication systems. Known for its exceptional sound quality and ease of use, it has become a reliable choice for various environments, including theaters, conference halls, and educational institutions.

One of the main features of the Sennheiser RI 300 is its robust wireless technology, which ensures stable and clear audio transmission even in crowded venues. It operates on the 2.4 GHz frequency, an unlicensed band that offers a wide range of channels to help avoid interference from other wireless devices. This frequency range allows for a seamless and uninterrupted listening experience, making it ideal for users who require consistent audio performance.

The RI 300 boasts an impressive frequency response, which captures audio across a wide spectrum, ensuring that users hear everything from the softest whispers to the loudest sounds with clarity. Additionally, the device includes a built-in equalizer that allows users to customize audio settings according to their preferences and environmental conditions. This feature enhances the overall listening experience, providing tailored sound quality for various applications.

Another key characteristic of the Sennheiser RI 300 is its ergonomic design. The receiver is lightweight and compact, making it comfortable for prolonged use. It features a simple interface with intuitive controls, allowing users to easily adjust volume levels and manage settings without any hassle. The device is also equipped with a rechargeable battery, providing extended use without the need for frequent replacements.

Sennheiser places a strong emphasis on durability, and the RI 300 is no exception. Built with high-quality materials, this receiver is designed to withstand the rigors of daily use in demanding environments. Its robust construction ensures reliability, making it a smart investment for professionals who need a dependable audio solution.

In conclusion, the Sennheiser RI 300 wireless receiver stands out for its performance, versatility, and user-friendly design. With its advanced wireless technology, customizable audio settings, and durability, it meets the needs of both casual users and professionals. Whether for assistive listening, presentations, or event coordination, the RI 300 delivers high-quality sound and a user-centric experience, ensuring that every listener can enjoy clear and crisp audio.