The SR models feature the brand's star and porthole display, multiple HDMI 1.4a inputs for compatibility with all HDMI-mandated 3D formats, HDMI audio return channel, optional stereo Bluetooth streaming via a $99 accessory, HDMI-signal upscaling to 1080p, front-panel iPod-compatible USB ports, and playback of MP3, WMA and WAV files. Their remotes provide iPod playback control of the play, stop, FF, BWD, skip forward, random and repeat play functions, and the AVRs show music track information on their new graphical user interface.
The SR5006 has six HDMI inputs, and the SR6006 has seven, plus two HDMI outputs. The SR6006 also adds DLNA 1.5 certification. The SR6006 features three-zone output, while the 5006 has a two-zone output. Both support audio bit-streams up to 320kbps and feature Dolby Pro Logic IIz post-processing and Dolby True HD and dts HD decoding.
In the slimline AVRs, Marantz is offering 3D-capable HDMI 1.4a inputs and outputs, Dolby Pro Logic IIz, optional stereo Bluetooth streaming, a dedicated 2.1-channel preamp output, Audyssey Dynamic Volume, Audyssey Dynamic EQ and Audyssey MultEQ.
The NR1602 adds two-zone output, AirPlay, networking, full RS232 control, and an iPod-compatible front-panel USB connection.