Sony CDX-M850MP User Guide

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.

Signal-to-noise ratio

90 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
BUS control input terminal
BUS audio input or AUX IN 
terminal
Remote controller input 
terminal
Antenna input terminal

Tone controls

Bass ±10 dB at 62 Hz
Treble ±10 dB at 16 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 × 186 mm

(7

1

/

8

 

× 2 × 7

3

/

8

 in)

(w/h/d)

Mounting dimensions

Approx. 182 

× 53 × 163 mm 

(7

1

/

4

 

× 2

1

/

8

 

× 6

1

/

2

 in)

(w/h/d)

Mass

Approx. 1.5 kg (2 lb 10 oz)

Supplied accessories

Parts for installation and 
connections (1 set)
Front panel cover (1)
Card remote commander
RM-X110

Optional accessories

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

Optional equipment

CD changer (10 discs)
CDX-757MX, CDX-656
CD changer (6 discs)
CDX-T70MX, CDX-T69
MD changer (6 discs)
MDX-66XLP
MG-MS System-up Player
MGS-X1
XM Satellite Radio 
Receiver
XT-XM1
Source selector 
XA-C30
AUX-IN Selector
XA-300