The DLNA Certification and Logo Program is designed to ensure that DLNA Certified products have implemented the features necessary to comply with the DLNA Guidelines, and that they will in fact interoperate with other similar devices when connected to those devices in a consumer's home environment. The DLNA Certification and Logo Program enables companies to certify their products through a well-defined and rigorous process. Y Samsung HT-J7750W, Blu-Ray player, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Blu-Ray video, AVCHD, DIVX, WMV, WMV7, WMV8, WMV9, PAL, 7.1 channels Samsung HT-J7750W. Optical disc player type: Blu-Ray player, Disc types supported: DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Playback disc formats: Blu-Ray video. Video formats supported: AVCHD, DIVX, WMV, WMV7, WMV8, WMV9, Analog signal format system: PAL. Audio output channels: 7.1 channels, RMS rated power: 1330 W, Audio decoders: Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS 96/24, DTS Digital Surround, DTS-HD Master.... Satellite speaker type: 2-way. Subwoofer type: Passive subwoofer https://www.trustedreviews.com/reviews/samsung-ht-j7750w What is the Samsung HT-J7750W? Samsung's new top-end all-in-one system gives you a 3D Blu-ray player, 1330W amplifier and tallboy speaker system in one fell swoop. It's the ideal solution if you fancy full-scale home cinema but don't have the patience or ... Extensive feature list, Sleek styling, Attractive onscreen presentation, Lively, powerful sound Bass lacks punch, agility and detail, Plasticky speaker columns, Some menus sluggish to respond, Lengthy setup process The HT-J7750W is a fine example of the one-box system genre, boasting a plethora of features, sleek styling and vibrant, room-filling sound – as long as you're willing to overlook the lightweight speaker construction and so-so bass performance.... https://www.avforums.com/reviews/samsung-ht-j7750w-review.11361 This is a complete package that will allow you to enjoy a 7.1 channel surround sound experience in the home, playback all your DVDs and Blu-rays, as well as including a selection of cutting-edge Smart TV and streaming features in to the bargain. At the ti... Great picture quality, Easy to setup, Impressive surround sound, Smart features take some beating Subwoofer not great with music, Quite pricey Samsung probably won't thank us for saying this but we'd be inclined to hang fire. At its current pricing of nearly £800, it certainly isn't inexpensive and the chances are there will be reasonably significant price-cuts during the product lifespan. Still...