Also, all four receivers are Bluetooth and iPod/iPhone compatible and include Yamaha's convenient SCENE mode selection. The SCENE mode is a set of preset listening options that work in conjunction with input selection. The user can either select the default settings for DVD, CD, TV, and Radio, or can select from other options including iPOD, TV Sports, or Video Game.
In addition, to make setup even more simple, the RX-V471, RX-V571, and RX-V671 have an on-screen menu display and Yamaha's YPAO automatic speaker setup function. The RX-V571 and RX-V671 also include analog to HDMI video conversion and 1080p upscaling via HDMI output.
Added bonus features on the RX-V671 include both DLNA and Widows7 certification which allows access to audio files stored on a PC and access to Internet Radio services.
As far as the basics go, the RX-V371 has 5.1 Channels (80WPCx5 - measured at 1Khz with 2 channels driven) and carries a suggested retail price (SRP) of $249.95.
The RX-V471 has 5.1 Channels (85WPCx5 - measured at 1Khz with 2 channels driven) and carries an SRP of $379.95.
The RX-V571 has 7.1 Channels (85WPCx7 - measured at 1Khz with 2 channels driven) and carries an SRP of $499.95.
The RX-V671 has 7.1 Channels (90WPCx7 - measured from 20 to 20Khz with 2 channels driven) and carries an SRP of $599.95.
For a detailed rundown on all four receivers, read the Official Yamaha Announcement. Photo Top Right RX-V371, Center Left RX-V671 (c) Yamaha Electronics Corporation