Sony MDR DS4000 Manual
Operation
21
GB
Enjoying with Additional Headphones
In this system, by using additional MDR-IF4000 cordless infrared headphones (sold
separately), more than one person can enjoy the surround sound experience
wirelessly at the same time.
Charge additional headphones with the processor of this system.
* There is no limit to the number of headphones that can be used within the infrared
separately), more than one person can enjoy the surround sound experience
wirelessly at the same time.
Charge additional headphones with the processor of this system.
* There is no limit to the number of headphones that can be used within the infrared
transmission area.
Notes
• The processor turns off automatically while charging. Remove these headphones from the
• The processor turns off automatically while charging. Remove these headphones from the
processor when using other headphones.
• Because this unit employs a digital infrared transmission system, cordless infrared analogue
headphones (MDR-IF3000, etc.) cannot be used.
• This unit is not compatible with the MDR-DS8000 since the infrared transmission method is
different. The MDR-IF8000 cannot be used.
Processor
MDR-IF4000 (sold separately)