HDI 302

IR Audio Transmission Technology Receivers

General Description

The HDI 302 is a professional two-channel stethoset receiver for the carrier frequen- cies 2.3 and 2.8 MHz. It can be switched between operation on channel 1, 2 or stereo and features outstanding speech intelligibility and very good music reproduction. It is powered by the environmentally friendly BA 151 accupack. Also available is the RI 300, a pure stereo receiver.

Features

Wideband stethoset receiver for stereo and two-channel applications

￿(HDI 302 only)

Excellent transmission reliability due to carrier frequencies 2.3 and 2.8 MHz High speech intelligibility and very good stereo music reproduction

Very easy to use

Powered by environmentally friendly NiMH accupack

￿Delivery includes:

HDI 302: 1 x HDI 302 two-channel stethoset receiver, 1 x BA 151 accupack

RI 300: 1 x RI 300 stereo stethoset receiver, 1 x BA 151 accupack

Recommended Accessories

 

BA 151 accupack

Cat. No. 004146

￿Charger for two BA 151

 

L 151-2 European version

Cat. No. 004457

L 151-2-120 USA version

Cat. No. 004459

L 151-2-UK UK version

Cat. No. 004458

L 151-10 charging unit for 10 receivers

Cat. No. 004494

￿Plug-in mains unit for one L 151-10

 

NT 92 European version

Cat. No. 003357

NT 92-120 USA version

Cat. No. 003358

NT 92-UK UK version

Cat. No. 003359

Plug-in mains unit for two to five L 151-10

 

￿

Cat. No. 003433

NT 2013 European version

NT 2013-120 USA version

Cat. No. 003434

NG 2013-UK UK version

Cat. No. 054332

Replacement earpads, black, firmer version

Spare Part No. 037080

￿Replacement earpads, transparent, softer version

Spare Part No. 040949

Product Variants

 

HDI 302: 2-channel stethoset receiver

Cat. No. 004392

￿RI 300: Stereo stethoset receiver

Cat. No. 004378

Technical Data

 

 

Modulation

wideband FM, stereo

Carrier frequencies

2.3 and 2.8 MHz

AF frequency response

...............................18 – 18,000 Hz

THD

< 1%

Signal-to-noise ratio

typ. 64 dB

Max. SPL

approx. 110 dB

Operating time

approx. 5 hrs

Weight

approx. 45 g (including accupack)

188 mm

137mm

Dimensions of the HDI 302

Page 1
Image 1
Sennheiser HDI 302 dimensions Hdi, IR Audio Transmission Technology Receivers

HDI 302 specifications

The Sennheiser HDI 302 represents a significant advancement in audio technology, designed to deliver high-quality sound while providing comfort and convenience for listeners. These headphones are crafted specifically for those who appreciate superior sound fidelity and advanced features.

One of the primary highlights of the HDI 302 is its impeccable sound quality. Sennheiser is renowned for its commitment to audio excellence, and the HDI 302 is no exception. With a frequency response that spans from deep bass to sparkling highs, these headphones provide an immersive listening experience suitable for various genres of music, from classical to modern pop.

The HDI 302 features advanced driver technology, which includes custom-designed neodymium drivers. These drivers ensure that audio is reproduced with remarkable clarity and precision. The headphones excel in delivering an expansive soundstage, allowing listeners to immerse themselves fully in their favorite tracks. This is enhanced by a balanced sound profile, resulting in a natural and authentic audio experience.

Comfort is another critical aspect of the HDI 302. The headphones are equipped with plush ear cushions and an adjustable headband, ensuring that users can enjoy extended listening sessions without discomfort. The lightweight design allows for portability, making them a perfect companion for travel or daily commutes.

Additionally, the HDI 302 incorporates noise isolation technology, which minimizes ambient sound interference. This feature allows users to focus on their audio experience without distractions from the surrounding environment. Whether on a bustling street or in a quiet office, the headphones deliver a consistent sound experience.

In terms of connectivity, the HDI 302 is designed for versatility. It features a detachable cable, providing users with the option to easily replace it if needed. The headphones are compatible with a wide range of devices, including smartphones, tablets, and laptops, making them highly adaptable for various audio sources.

Moreover, the durability of the HDI 302 cannot be overlooked. Constructed with high-quality materials, these headphones are built to withstand everyday wear and tear, ensuring they remain a reliable audio solution for years to come.

In summary, the Sennheiser HDI 302 stands out for its exceptional sound quality, comfort, noise isolation, and durability. It is an ideal choice for audiophiles and casual listeners alike, seeking a premium audio experience in a stylish and convenient package. Whether for music or gaming, the HDI 302 is designed to elevate your listening experience to new heights.