Voici la notice d' usine officielle du 6039, qui indique bien 4 x 45 Watts
Features:
6.5" 16:9 Panasonic Panel
DVD/VCD/CD/MP3/WMA/JPEG/MPEG4 etc. discs
Built in Can Bus steering wheel control
Touch Screen
Built in GPS ( Dual Zone function )
USB Port in front Panel
Double SD slot,iPod prot
RDS receiver function.
I-pod spported
Built in Bluetooth ( Built in Mic )
With Bluetooth Phonebook function.
Electronic & mechanical anti-shock system
FM/AM/receiving, 30 stations pre stored.
built-in MIC in control panel.
OSD with Italian,German,English,French,Spain,Russia,Portugal
Built-in TV tuner (PAL/NTSC/SECAM)
Reversing display: Connected to rear camera to watch the reversing status.
CDC: support Sanyo protocol .
4*45 Watts amplifier
GPS Specification:
Operation system: WINCE 5.0 CORE
Support map: Tomtom, IGO , Route66 ect.
Processor: SAMSUNG High performance processor S3C2440A-40
EMS Memory :64MB SDRAM
Storage device: 128MB.
Display output : CVBS+S-VIDEO output. (Resolution:480(RGB)*234)
Audio output: Stereo CD Qaulity.
Main Frequency: 400MHZ
Support Audio type: MP3/PCM/WMA
Support Video Type: ASF/AVI /WMV /DIVX
Chipset: SiRF STAR III
Frequency: 1.575GHZ
Channel number: 20 channels
Tracking sense degree: -159dbm
Position Accuracy: 10m, 2D RMS 5m, 2D RMS, WAAS enable.
Velocity: 0.1m/s.
Data Renewal Rate:1HZ
Re-catching time: Average 0.1s
Hot start time: Average 1s
Warm Start time: Average 38s
Cold start time: Average 42s
The biggest fixed height: 18,000m
The biggest velocity: 515m/s
Power Speci: DC12V,Current<500mA
Consumption:4.5W(12V/360mA),Normal power consumption 3W(12V/250mA).
Pour le 6038, la voici aussi, une petite erreur s'était effectivement glissée dans notre annonce, et c'est bien 4 x 50 WATTS qu' il faut lire! t :
Descriptions:
1) 6.5 inch 16:9 Digital TFT LCD Monitor
2) Resolution : 800*480 Pixels
3) Built-in GPS Navigation system
4) Touch Screen with Graphic OSD display.
5) Steering Wheel Control.
6) With Bluetooth Hands free call
7) Play DVD/ DivX./MP4/VCD/CD/MP3

With USB/SD&MMC slot.
9) Double SD Card Slot
10)Built-in 4X50W Amplifier.
11) Super Sensitive TV Receiver.
12)1 AV Output(3 Zone) 1 AV Input.
13) Super Sensitive FM/AM/ RDS Radio.
14) Super Bass output 5.1 Mode15) Intelligent Clock Display.
16 Auto Dimmer(Standard/bright/soft/customer video mode
17) Car Camera in.
18) Ready for Navigation Input interface.(Main Unit Can Control).
19) Electronic Anti-Shock Protection
20) Support i-Pod control
Characteristic:
1. According to the original car design, without crack installation, dont cut line and only need to insert the socket into the original plug when you install.
2. Can listen to the Radio , DVD , TV , USB and SD file when operate the GPS.
3. 3 Zone function, watching DVD in the front and watching TV from the back Monitor at the same time.
General Section:
1) Power Supply: DC12V(10.8V-16V)
2) Current Consumption: Less Than 10A
3) Operational Temperature Range: -20 to +85
Audio Section:
1) Rated Output: 4ch ×23W (1KHz, 1, 4Ω)
2) Maximum Power Output: 4ch×50W
3) Rated Speaker Impedance: 4Ω
4) Pre-AMP Output Voltage: 2Vrms
5) Pre-AMP Output Impedance: <220Ω
6) AV Input/Output Section
7) Video: 1 Vp-p(75Ω)

Audio: 500mVrms
Monitor Section:
1) Picture Size: 7 inche wide144(w)×80(H)mm
2) Display System: TFT LCD panel
3) Video System: PAL / NTSC
4) Beightness: 400cd/
FM Stereo Radio Section:
Frequency Range:
1) U.S.Standard: 87.9-107.9MHz
2) Outside U.S.: 87.5-108.0MHz
3) Usable Sensitivity: 5dBμV(S/N=30dB)
4) S/N ratio: >60dB
TV Tuner Section:
1) Colour System: NTSC, PAL-B/G, PAL-I, PAL-D/K,PAL-M,PAL-N
2) Channel Selection System:PLL Frequency Synthesizer System
3) Usable Sensitivity: 41dBuV
GPS Specifications:
1) Power specification:DC-12V
2) Working current:<300MA
3) Standby state current:0MA
4) Working temperature: -20°+70°
5) Operation system:Windows CE 4.2
6) CPU:Intel PXA255 Processor,Max.main frequency 400MHZ.
7) SDRAM/FLASH:1GB/64 MB

GPS receive speed: 8 channel ,Orientation time of cold boot is 92S,Orientation time of warm boot is 37S,Orientation time of hot boot is 19S
9) Orientation presicion:<15m
10) Refurbish frequency:1HZ
11) GPS antenna frequency:1575.52MHZ
12) Length of antenna:5M
13) Voice indication:Intellectualized voice indication function
14) Display output:CVBS+S-VIDEO output(Resolution:800*480) or simulation RGB output
15) Audio output:Stereo output of CD tone.
16) Support:SD card
17) Resolution:416*234 for 7inch
18) Control way:Support touch control and Remote control
Sorry pour l'anglais....c'est le texte original pour plus de sécurité!