The heart of your system.
Bring the excitement home with 5.2 channels, 725 watts8 and iPhone® and iPod® connectivity. It also handles all of your components with 4 HD inputs and 4K resolution pass-through. Now, all of your music and movies will get the multi-layered sound quality they deserve with HD Digital Cinema Sound and auto calibration for easy set-up.
5.2 Ch. Of Surround Sound
145W per channel, the STR-DH550 delivers impressive multi-channel sound performance. (145W x 7 @ 6 ohms, 1 kHz, 0.9% THD).
On-screen user interface
Easily set-up and control the A/V receiver via the on-screen graphical user interface. Change inputs, adjust settings, and confirm volume levels on-screen.
High Resolution Audio playback
Enjoy High Resolution file playback (up to 48k/16-bit PCM) when using the convenient USB connector. Simply plug-in the compatible device to the receiver and enjoy1.
Easily connect and charge compatible, portable devices including: Android smartphones, iPod®/iPhones®, digital music players, and even USB thumb drives or hard drives1.
4 High-Definition Inputs
Enjoy versatile high definition audio/video connectivity2 with four HDMI® inputs (up to 4K capable) that allow you to connect a Sony® PlayStation® entertainment system, Blu-ray Disc player, or any other HDMI® capable devices.
Pure Direct mode preserves signal clarity and detail by switching off unnecessary signal processing circuitry to provide the cleanest possible signal path with minimized electronic interference.
Smartphone connectivity via MHL
Plug-in your smartphone using a MHL (Mobile High-Definition Link) certified HDMI® cable and let your favorite personal video clips, music, and more loose on the big screen complete with big sound. MHL also supports the charging of connected devices3.
4K video pass-through
The STR-DH550 allows native 4K video content pass through to 4K capable televisions and projectors4.
Standby Audio/Video signal pass-through
Enjoy convenient access to all connected HDMI® devices without having to power on the receiver9.
HDMI Audio Return Channel supporth)
Eliminate any unnecessary cables. With HDMI® ARC functionality, TV audio can be transmitted back to your receiver through the same HDMI® cable already being used to send audio and video to your TV5.
Compatible with Blu-ray 3D movies, video games and other 3D content8.
24p True Cinema pass-through
Watch Blu-ray Disc movies in their native frame rate (24 frames per second) when paired with a 24p compatible HDTV and playback device like a Blu-ray Disc Player or PlayStation® gaming console via HDMI® cable9.
HD Digital Cinema SoundTM with front-High speakers
Optimize receiver settings to mimic movie theater sound characteristics. Front Height mode enables vocal height and 3D effects for improved effects positioning and added depth. Imagine as a helicopter descends from above and lands right in front of you youll hear the change in height as the effect unfolds on-screen.
Sony® Sound field technology
Experience the emotion of a live performance in your very own home when you embrace legendary Sony® engineering expertise.
Digital Cinema Auto Calibration - Quick Speaker Set Up
Quickly and easily maximize your in-home theater experience via the Digital Cinema Auto Calibration feature. During setup, place the included microphone where you will be seated and wait as the settings are automatically optimized.
BRAVIA® Sync Capable (HDMI® CEC)
Conveniently operate and control select Sony® BRAVIA® Sync devices with one remote including: Sony® Blu-ray Disc Players, BRAVIA® HDTVs, Sony home theater products7.