The Samsung LN40D550 is a low-end to mid-range 40" 1080p LCD HDTV similar to the 37" Samsung LN37D550. Aside from display size, the LN40D550 only offers a couple of improvements over the LN37D550, namely: Wide Colour Enhancer and Eco Sensor technology. Otherwise, the two HDTVs sport similar specs and features, including a 200,000:1 dynamic contrast ratio, USB ports and Ethernet connectivity.
The LN40D550's Wide Colour Enhancer technology is meant to improve colour quality by automatically correcting and enhancing all colour levels for a more vivid, life-like image. Its Eco Sensor allows the LN40D550 to automatically adjust ambient light levels in the room an adjust to ensure optimal brightness and clarity in any condition. Meanwhile, the LN40D550's USB ports allow the LN40D550 to interface with any USB storage device, offering direct playback of video, audio and image files.
- 40" LCD panel @ 1920 x 1080 (60 Hz)
- Wide Colour Enhancer
- QAM cable TV tuner receives unscrambled programs without a set-top box (cable service required)
- 200,000:1 dynamic contrast ratio
- AllShare video and music streaming from a DLNA-compatible Windows PC (wireless streaming requires Samsung's Wi-Fi USB dongle)
- Built-in stereo speakers (10 watts x 2)
- Anynet+ simplifies control of compatible Samsung components via the HDMI connection (HDMI-CEC)
- Meets Energy Star requirements
- Video in: 2 component video, 4 HDMI 1.3, 1 VGA
- Eco Sensor technology