Sony MDR DS4000 Manual

AC power adaptor (9 V) (1)

Rechargeable nickel-metal hydride
batteries BP-HP550 (550 mAh min.) (2)

Optical digital connecting cable
(optical rectangular plug 

y optical

rectangular plug, 1.5 m) (1)

Operating Instructions (this manual)
(1)

Optical digital connecting cable

POC-15AB (1.5 m) (mini-plug 

y

rectangular plug)

Design and specifications are subject to
change without notice.

Decoder functions

Dolby Digital
Dolby Pro Logic II
DTS
MPEG-2 AAC

Virtual surround function

OFF
CINEMA
MUSIC

Compression function

OFF
ON

Modulation System

DQPSK-IM

Secondary carrier wave frequency

3.75 MHz

Transmission distance

Approx. 7 m (23 ft) to
the front

Transmission range

12 – 24,000 Hz

Distortion rate

1% or less (1 kHz)

Audio inputs

Optical digital input
(rectangular-type) 

×

 1

Analogue input (pin
jack left/right) 

×

 1

Audio output

Optical digital output
(rectangular-type) 

×

 1

Power requirements

DC 9 V (from the
supplied AC power
adaptor)

Dimensions

Approx. 160 

×

 160 

×

200 mm
(6 

3

/

8

 

×

 6 

3

/

8

 

×

 7 

7

/

8

 in)

 (w/h/d)

Mass

Approx. 400 g
(15 oz)

Playback frequency range

10 – 22,000 Hz

Power requirements

Rechargeable nickel-
metal hydride batteries
(supplied) or
commercially available
(size AAA) alkaline
batteries

Mass

Approx. 300 g (11 oz)
(including the
supplied rechargeable
nickel-metal hydride
batteries)