Japan Radio Corporation
6-CHANNEL ELECTRONIC VOLUME
Japan Radio Corporation
Voice Switched Speakerphone circuit
Japan Radio Corporation
AUDIO PROCESSOR
Japan Radio Corporation
DOLBY PRO LOGIC SURROUND DECODER
Japan Radio Corporation
AUDIO PROCESSOR with Subwoofer Output
Japan Radio Corporation
Headphone Amplifier with Electronic Volume
Japan Radio Corporation
AUDIO PROCESSOR
Japan Radio Corporation
Audio Processor with Sound Enhancement and TruSurround 5.1ch Virtualizer
Japan Radio Corporation
AUDIO PROCESSOR with Input Selector and Subwoofer Output