AVR-587A/V Surround Receiver7.1 A/V Surround Receiver features XM-HD Surround andiPod command and control capability.Audio section Fully discrete 7-channel high power amplifiersFront 75 W + 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD)Center 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD)Surround 75 W + 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD)Surround Back 75 W + 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD) High-quality surround sound reproduction• High resolution 32bit floating point DSP• 96 kHz processing circuit Denon's basic design for high-quality sound reproduction• Power transformer for high power driven• Twin drive rectifier• Large aluminum extruded heatsink Wide-range play capability for DVD-Audio and Super Audio CDThe power amp circuits of the AVR-587 have been meticulously designed to reproducethe exceptionally high sound quality with wide frequency response from 10 Hz to 100 kHz. Dual channel surround back power amp for 7.1 surroundThe AVR-587 is equipped with a total of 7 power amps including 2 for the SurroundBack channel speaker to give you more clearly defined sound localization at the rearfor 6.1-channel surround sources such as DTS-ES Discrete 6.1, DTS-ES Matrix 6.1,Dolby Digital EX, and DTS-ES NEO:6. Cinema EqualizerThe sound from movie sources recorded in Dolby Digital, DTS or other formats empha-sizes high-frequency range due to a theater’s front speakers being placed behind themovie screen. If this sound is reproduced in the home theater without correction, thehigh-frequency range is too strong. The AVR-587 features a Cinema Equalizer tocorrect these high-frequency components so that the sound is clearer and easier tolisten to. (For Dolby Digital, Dolby Pro Logic II, Dolby Digital EX and DTS surround modes) Supports the most advanced surround playback formats• DTS 96/24 Decoding for DVD-Video • DTS-ES Discrete 6.1 and Matrix 6.1• DTS NEO:6 • Dolby Digital EX • Dolby Pro Logic IIx • Neural Surround Denon DSP Surround Modes Add Listening ExcitementPut yourself in the middle of your favorite concert hall and music environmentswith DENON's DSP acoustic environment simulation modes. These DSP modesadd spacious surround sound enhancements to your favorite music and videosources, and include these distinctly different sounding effects:1. 5 / 7 Channel Stereo 2. Virtual Surround 3. Rock Arena4. Jazz Club 5. Video Game 6. Matrix7. Mono MovieVideo section Component video circuits which maintain flat response up to 30 MHz,ensuring sharp image quality 3 Sets of Component Video Inputs 3 Sets of S-Video SwitchingConnectivity / Usability ASD-1R Control Dock for iPod® (option): Supports iPod playbackwhen connected to the AVR-587iPod (*1) playback can be enjoyed through the AVR-587when the ASD-1R, Denon's original Control Dock for iPod(sold separately), is connected to the dedicated controlterminal of the AVR-587. The iPod can also be controlledvia the remote controller supplied with the AVR-587.*1) Supports 3rd-generation and later iPods equipped with a Dock con-nector. Some functions may not work depending on the generation of theiPod and the version of the software..Please visit http://blog.denon.com/asd-1r/for more details on compliant models and connection procedures. XM Mini-Tuner Ready*(Supports XM 5.1ch surround powered by Neural Audio)*Optional XM Mini-Tuner and subscribes are required. Assignable surround back (L/R) amplifiers for Multi-zone playbackAmplifiers initially reserved for Surround back (L/R) channels can be assigned to Zone2 speakers. 8ch External Inputs New simple remote for easy operation 3 user mode buttonsBlack version is also available.