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-J5550W, Blu-Ray player, BD, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Tray, Blu-Ray video, VCD, AVCHD, DIVX, WMV7, WMV9, PAL Samsung HT-J5550W. Optical disc player type: Blu-Ray player, Disc types supported: BD, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Disc loading type: Tray. Video formats supported: AVCHD, DIVX, WMV7, WMV9, Analog signal format system: PAL. Audio output channels: 5.1 channels, RMS rated power: 100 W, Audio decoders: DTS 96/24, DTS Digital Surround, DTS-HD Master Audio, Dolby Digital Plus, Dolby TrueHD. Front speaker type: 2-way. Center speaker type: 3-way