This is the summary of consumer reviews for Sony DAV-TZ140 5.1 CH Home Theater Surround Sound System with DVD Player. The BoolPool rating for this product is Good, with 3.80 stars, and the price range is $119-$129.99.

Sony DAV-TZ140 DVD Home Theatre System brings your movies and music to life like never before with 5.1 channel surround sound and HD picture quality. It comes with the easy setup disc that helps calibrate your system and the smart remote makes controlling everything a breeze. The 300 watts surround sound up-scales older DVDs to near 1080p HD picture quality. The multi-format disc playback helps you view a wide variety of movies, videos, and photo formats including DVD, MPEG4, and JPEG. Listen to a wide variety of music formats, including CD and unsecured MP3, WMA and AAC. The USB port allows easy and convenient playback of audio or visual series from any compatible tablet, camera, phone or MP3 player.

The Sony DAV-TZ140 5.1 surround sound system with DVD player features five speakers and a subwoofer, as well as Dolby Digital, Dolby Pro Logic, and DTS surround sound decoding. Connect all Bravia Sync enabled devices with just one remote control. Also, connecting an older television is no problem with the included composite video output. This DAV also features a built-in FM radio tuner with upto 20 pre-set stations.

However, some reviewers have expressed repeated concerns on poor sound quality output when connected to normal or cable TV. Some have faced issues connecting to the TV as the Sony DAV is more compatible with Sony products than any other. This product does not include HDMI / Optic cable, it has to be purchased separately. 

Overall, the Sony DAV-TZ140 DVD is a complete package with total value for money, to experience a HD audio and picture quality.