In addition to conventional remote control, the AVR-X4000 is equipped with a range of additional control options, including the “Denon Remote App”, which is available in iOS and Android versions, which lets you control the unit with your favorite smartphone or tablet. You can also control the AVR-X4000 via the web control function, which you can access via your PC’s web browser. Equipped with both LAN and RS-232C serial port connections, the AVR-X4000 is compatible with a broad range of home automation control systems from companies including AMX, Control4, Crestron, RTI, Savant and URC. The IR remote input and output jacks provide even more control options, and the unit features two 12V assignable trigger outputs for projection screen and motorized drapes control.