3d Ready: Includes HDMI 3D pass-through technology for compatibility with full HD 3D-ready HDTVs, Blu-ray players and gaming consoles.
iPod Compatible: Receiver either comes with an iPod dock or is compatible for an optional accessory.
Multiroom Capability: These models allow you to play music in other rooms besides your main home theater room. Some receivers may also be able to power speakers in multiple rooms.
Built-In Media Player: The receiver has a built-in DVD or Blu-ray player.
USB Port: A USB allows data to be transferred between devices. This port gives you an easy way to play songs from a thumb drive of iPod. This is also useful for firmware updates.
Ethernet Port: A connection on the receiver that creates a wired network in your home.
Energy Star: Means products meet strict energy efficiency guidelines set by the US Environmental Protection Agency. Home electronics that have earned the ENERGY STAR deliver exceptional features, while using less energy. Saving energy helps you save money on utility bills and protect the environment by reducing greenhouse gas emissions in the fight against climate change.