Consumers, iPhone owners in particular the search for high-resolution multi-channel sound quality can now look forward to four new A / V receiver models from Pioneer. The company recently released the new Elite SC-25, SC-27, VSX-21TXH and VSX-23TXH receiver. These new offerings to new levels of comfort and entertainment of film in the comfort of home. Shaped to provide clarity, precision and fast dynamic response, the receivers take complete advantage of Dolby True HD and DTS-HD Master Aud