Awesome Dolby Digital discrete sound, and 6 channel inputs to boot. DVD-Audio and multichannel SACD compatible. Check out the rave reviews at audioreview.com! This unit is Sony ES quality all the way, in terms of both sound and build. My EP9ES is in flawless condition and includes original box, manuals, and remote. Looking for a quick sale. First $325 or REASONABLE offer gets to experience theater quality sound in their own home. Please email [email protected] with any offers/questions.