Sony CDX-M9900 User Guide

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 (front/rear)
Subwoofer output (mono)
Power antenna relay control 
terminal
Power amplifier control 
terminal

Inputs

Telephone ATT control 
terminal
Illumination control 
terminal
Parking brake input 
terminal
BUS control input terminal
BUS audio input/AUX IN 
terminal
Antenna input terminal
Video input terminal

Tone controls

Bass ±8 dB at 100 Hz
Treble ±8 dB at 10 kHz

Loudness

+8 dB at 100 Hz
+2 dB at 10 kHz

Power requirements

12 V DC car battery 
(negative ground)

Dimensions

Approx. 178 

× 50 × 187 mm 

(7 

1

/

8

 

× 2 × 7 

3

/

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. 1.6 kg
(3 lb 8 oz)

Supplied accessories

Card remote commander 
  RM-X145A
Parts for installation and 
connections (1 set)
Front panel cover (1)

Optional accessories

Wired rotary commander
  RM-X4S
Wireless rotary commander 
  RM-X6S
BUS cable (supplied with 
an RCA pin cord) 
  RC-61 (1 m), RC-62 (2 m)

Optional equipment

CD changer (10 discs)
  CDX-757MX
CD changer (6 discs)
  CDX-T69
MD changer (6 discs)
  MDX-66XLP
XM satellite radio receiver
  XT-XM1
Mobile DVD Player 
  DVX-11A
Source selector 
  XA-C30
AUX-IN selector
  XA-300

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.