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 Philips HTB5540D/93, Blu-Ray player, BD, BD-R, CD, CD-DA, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, SVCD, VCD, AVCHD, AVI, DIVX, DIVX HD, MKV, MP4, MPEG, MPEG1, MPEG2, MPEG4, MPG, 21:9, 5.1 channels Philips HTB5540D/93. Optical disc player type: Blu-Ray player, Disc types supported: BD, BD-R, CD, CD-DA, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Playback disc formats: SVCD, VCD. Video formats supported: AVCHD, AVI, DIVX, DIVX HD, MKV, MP4, MPEG, MPEG1, MPEG2, MPEG4, MPG, Aspect ratio: 21:9. Audio output channels: 5.1 channels, RMS rated power: 1000 W, Audio decoders: DTS Digital Plus, DTS Digital Surround, DTS-HD HR, DTS-HD Master Audio, Dolby Digital 5.1, Dolby.... Supported radio bands: FM. Front speaker tweeter diameter: 1.78 cm (0.7"), Front speaker woofer diameter (imperial): 7.62 cm (3")