C'est ca que tu veut :
GBA / SP TV Tuner
New version - works on GBA or GBA SP.
Watch TV on your GBA console.
Volume Control.
Store up to 99 channels.
Channels can be stored with the GBA TV Tuner software.
Convert your GBA to a TFT monitor - connect any AV devices such as DVD player or game console.
Telescopic Antenna
Antenna IN Jack (to connect an external antenna)
Built in speakers
Video and Audio In/Out jack to connect an external video/audio source
LCD Control allows changing LCD color, brightness and contrast
Earphone / Speaker out Jack
Technical Specification
Battery: AA x 4 (optional)
Battery play time: about 150 minutes for 4 AA batteries of 1800ma hour rechargeable and 90 minutes for normal alkaline batteries.
Power consumption: about 560MA while watching TV and about 290MA in monitor mode
DC in jack: attached a AC to DC adapter (output DC 5V regulated,800ma, central point negative), different versions available : Japan 100V version or US 110V version or England 230V version or Euro 230V version
Antenna : attached a 68cm telescopic antenna
Antenna In jack: yes, a RF cable adaptor attached
Video and Audio In/Out jack : yes, a A/V cable adaptor attached (mono audio, using the same jack for Video and Audio connection and In/Out controlled by TV Advance software)
Ear-phone jack: yes
Resolution: 240 x 160
Speaker and Volume tuning : yes, built in
Brightness and Contrast and colour control: yes, by TV Tuner software
TV channels: 99 channels can be chosen and 99 channels can be saved in it
Three versions (PAL, NTSC or SECAM TV system) available (the PAL version is fully compatible with all PAL TV systems: I, D/K, B/G -- switchable by TV Tuner software. NTSC is fully compatible with all Japanese, USA , etc. systems)
Both PAL and NTSC video input acceptable when in monitor mode