Sony CDX-20W User Manual

Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and flutter: Below measurable limit

Tuning range: 87.5 – 107.9 MHz
Antenna terminal: External antenna connector
Intermediate frequency: 10.7 MHz/450 kHz
Usable sensitivity: 9 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 67 dB (stereo), 69 dB (mono)
Harmonic distortion at 1 kHz: 0.5 % (stereo),

0.3 % (mono)

Separation: 35 dB at 1 kHz
Frequency response: 30 – 15,000 Hz

Tuning range: 530 – 1,710 kHz
Antenna terminal: External antenna connector
Intermediate frequency: 10.7 MHz/450 kHz
Sensitivity: 30 µV

Outputs: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W 

× 4 (at 4 ohms)

Outputs: 

Audio outputs terminal (sub/rear switchable)
Power antenna relay control terminal
Power amplifier control terminal

Inputs: 

Antenna input terminal
AUX input jack (stereo mini jack)

Tone controls: 

Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)

Power requirements: 12 V DC car battery 

(negative ground)

Dimensions: Approx. 178 

× 50 × 179 mm (7

1

/

8

 

× 2 × 

7

1

/

8

 in) (w/h/d)

Mounting dimensions: Approx. 182 

× 53 × 161 mm 

(7

1

/

4

 

× 2

1

/

8

 

× 6

3

/

8

 in) (w/h/d)

Mass: Approx. 1.2 kg (2 lb 11 oz)
Supplied accessories: 

Card remote commander: RM-X151 
(CDX-GT200 only)
Parts for installation and connections (1 set)

Card remote commander: RM-X114 
(CDX-GT20W only)

Your dealer may not handle some of the above 
listed accessories. Please ask the dealer for 
detailed information.

The following checklist will help you remedy 
problems you may encounter with your unit.
Before going through the checklist below, check the 
connection and operating procedures.

POWER OUTPUT AND TOTAL HARMONIC 
DISTORTION
23.2 watts per channel minimum continuous 
average power into 4 ohms, 4 channels driven 
from 20 Hz to 20 kHz with no more than 5% total 
harmonic distortion.

CEA2006 Standard
Power Output: 17 Watts RMS 

× 4 at 

4 Ohms < 1% THD+N 
SN Ratio: 82 dBA 
(reference: 1 Watt into 4 Ohms)

• Check the connection. If everything is in order, check 

the fuse.

• If the unit is turned off and the display disappears, it 

cannot be operated with the remote commander. 

t Turn on the unit.

The power antenna does not have a relay box.

• The volume is too low.
• The ATT function is activated.
• The position of the fader control “FAD” is not set for 

a 2-speaker system.

• The beep sound is canceled (page 9).
• An optional power amplifier is connected and you are 

not using the built-in amplifier.

US and foreign patents licensed from Dolby 
Laboratories.

MPEG Layer-3 audio coding technology and 
patents licensed from Fraunhofer IIS and 
Thomson.

• Lead-free solder is used for soldering certain 

parts. (more than 80 %)

• Halogenated flame retardants are not used in the 

certain printed wiring boards.

• Halogenated flame retardants are not used in 

cabinets.

• Packaging cushions do not use polystyrene foam.