Details: 5;1 For Models HT-AS55.1ch Satellite Speaker Surround Sound System Connect to any TV or video source for submersive surround sound 5.1ch, 3D over 3x HDMI, auto calibration, wireless rear speaker option, BRAVIA Sync This product is a previous model, however it may still be available to buy. Compact satellite speakers look great in any room Connect up to 3 HD devices over HDMI Immerse yourself in 3D & hi-def surround sound Features HT-AS5 3 Dover 3x HDMI- Easy one cable connectivity from numerous sources to your Full HD TV plus 3 Dvideo pass through (from a compatible 3 Dsource) High Definition Surround Sound- Multi channel Linear PCM for true High Definitionsurround sound from Blu-ray Discplayers Audio return channel- Hear sound from the TV through your Home Cinema system via HDMI, without needing a separate optical digital audio cable DCAC- One-push automatic sound set-up for flexible speaker placement & optimum sound quality Digital Cinema Sound- Developed in conjunction with Sony Pictures Entertainment to bring the movie experience to your home S-Master Digital Amplifier- Crystal clear sound for playback faithful to the original source Dolby Digital- Hear your movies come to life with Dolby Digital, Dolby Prologic II & DTS Decoding Wireless Rear Speaker Option- An optional extra that enables you to enjoy a cable-free environment (rear speakers only) x.v. Colour and 24p True Cinemapass through- Adjusts picture settings to makes movies look as authentic as the original BRAVIA Sync- Simple, one touch integrated control over your BRAVIA TV & other compatible products with only one remote plus BRAVIA TV widget for audio control Night mode- Reduces bass & enhances dialogue. Perfect for watching movies late at night without upsetting the neighbours RDS FM / AM tuner- Built-in tuner with 30 preset stations MP3 player over DIGITAL MEDIA PORT- Easily release music stored on a Walkman oriPodand playback in great Sony sound quality Portable Audio Enhancer- Boosts the quality of compressed music such as MP3 files