Both of these receivers can make a great centerpiece for home theater systems with features such as up to a 7.1 channel configuration, multi-zone capability, vTuner Internet Radio, Apple AirPlay, DLNA compatibility, 3D pass-through, 1080p and 4K upscaling, and 8 HDMI inputs. The AVR2700 is rated at 100 watts-per-channel, while the AVR3700 bumps up the power output to 125 watts-per-channel, and also adds built-in Wi-Fi for more convenient internet and network connectivity, two HDMI outputs, and a second subwoofer output.
Both receivers are scheduled to be available by this spring, with the AVR2700 priced at $799 and the AVR3700 will be priced at $899. For more details, also read the report posted by Ecoustics. Also for details on what Harman Kardon is showing off at CES 2013, check out their Official Announcement. CES Logo used by permission of the CEA, AVR3700 image © Harman Kardon