Content can be read from high-definition sources through the HDMI or Component inputs, and can also come through the digital tuner in NTSC, ATSC and QAM formats. A USB 2.0 port on the side also enables music and photo playback directly from a compatible storage device. The screen's contrast ratio of 100,000:1 is adequate for general purpose viewing, and dual built-in 10 watt speakers provide basic sound output. For owners of home theater systems an optical Digital Audio Output is available, enabling high-definition audio.
