Providing cost reduction of cradle speaker development and enough stereo effect for short-distance speakers

November 4, 2009

New Japan Radio releases the NJU7392, Push-button Interface 2-Channel Electronic Volume with eala Stereo Expander

November 4, 2009 - New Japan Radio Co., Ltd. has introduced to the market, the NJU7392, Push-button Interface 2-Channel Electronic Volume with eala Stereo Expander, suitable for audio equipment with short-distance speakers (which distance between them is short), such as portable audio device's cradle speaker.

[Background of development]

  1. Recently, the increasing of portable audio device's popularity demands appreciating music with cradle speaker at home. But the cradle speaker has some problems as bellow.
  2. In audio equipment designing, miniaturization, space-saving and fashion-oriented design make distance of speakers short. Therefore, it becomes difficult to provide enough stereo effect. To clear up these problems, New Japan Radio Co., Ltd. has developed the NJU7392.

[Features]

The NJU7392 consists of 2-channel input selector, eala Stereo Expander control (Stereo enhancement for short-distance speakers), push-button interface Electronic Volume, bass boost with ALC. Furthermore, it includes stand-by function, realizing low current consumption of the equipment.

NJU7392V

1.Providing cost reduction of equipments by micro-controller less
The NJU7392 has built-in push-button interface for its volume, Bass Boost and eala Stereo Expander controls, making application possible without the use of micro-controller.It provides cost reduction of software development.
2.Providing enough stereo effect by eala Stereo Expander
The NJU7392 provides enough stereo effect by eala Stereo Expander (Sound field adjustment function for short-distance speakers, New Japan Radio original technology), for applications with short-distance speakers, and realizes the stereo spatial expression avoiding allocation limit of speakers.
3.Providing LED display by indicator output
The NJU7392 has indication output at mode switching, power on/off, eala stereo expander on/off and bass boost on/off. It can display the mode switching by LED lighting.
Product Name NJU7392
Function Push-button Interface 2-Channel Electronic Volume with eala Stereo Expander
Applications Cradle speaker for portable audio players / Portable games Active speakers
Packaging SSOP32(11.0×7.6×1.25mm typ.)
NJU7392V

[Features & Characteristics]

[Schedule]

A detailed spec is here
NJU7392

PageTop