[. . . ] Fully featured, this multi-channel surround sound receiver does it all. [. . . ] From 7 channels of clean high power output, high-definition A/V connectivity and processing, to plug-n-play iPod® music enjoyment. Pioneer Elite receivers: the command centers for your high-definition home theater. AmplificAtion And build > 110 Watts x 7 Direct Energy Amplification digitAl SourceS & proceSSing > iPod® Player USB Digital Audio > USB Memory Audio Playback > Front Stage Surround > Sound Retriever > XM®-Ready with XM-HD Surround and On-Screen Display* > SIRIUS®-Ready with On-Screen Display** (20Hz ­ 20kHz, 8 ohms, 0. 09% THD ­ FTC) > Advanced Direct Construction > Rigid Trans Stabilizer Construction > Aluminum Front Panel Hd Surround Sound > THX® Select2 Plus Processing and Certification > Dolby® TrueHD, Dolby Digital Plus, dts-HD® Master Audio/High connectivity > HDMI (3 Inputs / 1 Output ­ Capable of Switching 1080p, HD-Audio Resolution Audio > Phase Control > New Freescale Dual Core DSP Engine > Advanced MCACC with 9 Band EQ > Symmetric EQ > Standing Wave Control > Advanced Sound Retriever for enhanced playback from portable and SACD) > Video Parameter Configuration > Deep Color / 30-bit / 36-bit 4:4:4 Color Depth / X. V. Color Support > Video Scaler ­ 1080p / 60Hz > 3 Component Video Inputs / 1 Component Video Output > 4 S-Video Inputs / 2 S-Video Outputs > 6 Digital Inputs / 1 Digital Output (optical) audio devices > Neural® THX® Surround > 192 kHz/24-Bit Audio Digital to Analog Conversion > Advanced Surround Sound (15+1 Modes) > DSD to PCM Converters > HDMI Jitter Reduction > High Precision PLL Circuit > TBC Digital Video Conversion Converts S-Video, Composite and cuStom feAtureS > On-Screen Display > 2 Zone Multi-Zone & Source (Analog A/V Out for Zone 2) > RS-232C Interface > 12 Volt Trigger x2 (assignable) > I/R (1 in / 1 out) > Assignable Surround-Back Speaker ­ Bi-Amp, Speaker B, or Zone 2 > Main Room / Multi-Zone Remote Control for Zone 2 > Preset Glow-Key Remote > Sub Remote Control for Zone 2 > PC Display (Room Reverb. , Speaker Delay, and MCACC Parameters) Component Up to HDMI® > I/P Converter to 480p bold denotes step-up feature from the VSX-01TXH VSX-D557 7. 1-channel A/v receiver featuring dolby® trueHd and dts-Hd® master Audio, Advanced Hdmi® connectivity, and multi-Zone A/v distribution product dimenSionS > W x H X D: 16. 54" x 6. 81" x 17. 05" > Weight: 29 lbs. Microsoft, Windows Media, and the Windows logo are trademarks or registered trademarks of Microsoft Corporation. XM and XM Connect-&-Play are registered trademarks of XM Satellite Radio Inc. SIRIUS and related marks are trademarks of Sirus Satellite Radio Inc. *XM Connect-&-Play antenna and subscription service (each sold separately) required to receive XM and XM HD Surround Radio HDMI connection may not allow transmission of copyright-protected material, depending on the capability of the signal source **Sirius antenna and subscription service (each sold seperately) required to receive Sirius radio © 2008 Pioneer Electronics (USA) Inc. [. . . ] XM and XM Connect-&-Play are registered trademarks of XM Satellite Radio Inc. SIRIUS and related marks are trademarks of Sirus Satellite Radio Inc. [. . . ]