Awesome contiodion , comes with remote , ARC microphone kit , power cable and manual 

Enhancements to MRX Series

• Superb high-quality amp performance includes Anthem’s Advanced Load Monitoring to keep a constant eye on output.
• ARC® 1M, an enhanced version of Anthem Room Correction ensures the speakers’ award-winning sound isn’t lost in a less-than-perfect room situation.
• Outstanding power – 7 channels in MRX 710 and MRX 510; 5 channels in MRX 310 (see Technical Specs section for power output).
• More HDMI inputs! 7 + 1 = 7 rear inputs and one front-panel input on MRX 710 and MRX 510. 7 rear inputs on MRX 310.
• Dual HDMI outputs.
• 4K Upscaling and Pass-Through.
• HDMI Audio Return Channel.
• Faster HDMI switching.

• Up to 20 input configurations.
• Software updates via the USB port.
• More robust control: IP and RS-232 control drivers for full integration with automation.
• Remote control apps for iOS (Apple) and Android.
   
• Larger, easier-to-read on-screen menus and improved status displays.
• Dual speaker configuration.
• Speaker crossover now adjustable in 10-Hz Increments.
• Optical, coaxial and analog inputs send 2-channel music to Zone 2.
• Bi-amp the front Left/Right speakers with MRX 710 and MRX 510.
• Power consumption in standby mode: <0.3 W.