Sony CDX-GT225C User Manual

1

Insert both release keys simultaneously 
until they click.

2

Pull the release keys to unseat the unit.

3

Slide the unit out of the mounting.

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

Tuning range: 87.5 – 108.0 MHz
Antenna (aerial) terminal: 

External antenna (aerial) 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: 

MW: 531 – 1,602 kHz
LW: 153 – 279 kHz

Antenna (aerial) terminal: 

External antenna (aerial) connector

Intermediate frequency: 10.7 MHz/450 kHz
Sensitivity: MW: 30 µV, LW: 40 µV

Outputs: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 45 W 

× 4 (at 4 ohms)

Output: 

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

Inputs: 

Telephone ATT control terminal
Antenna (aerial) input terminal
AUX input jack (stereo mini jack)
Remote controller input terminal 
  (CDX-GT225C only)

Tone controls: 

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

Loudness: 

 

+4 dB at 100 Hz

 

+2 dB at 10 kHz

Power requirements: 12 V DC car battery 

 

(negative ground (earth))

Dimensions: Approx. 178 

× 50 × 179 mm 

(7 

1

/

8

 

× 2 × 7 

1

/

8

 in) (w/h/d)

Mounting dimensions: Approx. 182 

× 53 × 162 mm 

(7 

1

/

4

 

× 2 

1

/

8

 

× 6 

1

/

2

 in) (w/h/d)

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

Parts for installation and connections (1 set)

Card remote commander: RM-X114

Rotary commander: RM-X4S

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

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

•  Halogenated flame retardants are not used in the 
  certain printed wiring boards.
•  Halogenated flame retardants are not used in 
 cabinets.
•  Packaging cushions are made from paper.