Just found this on the web http://www.bostonacoustics.com/Default.asp.
Boston Acoustics has some rather pricey Dolby DCS5.1 systems with optical
inputs. The lower end DT6000 is $599 and high end DT7000 $999. They both have
optical and electrical digital inputs, as well as RCA and include a
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Another one from Gateway computer: Dolby Surround Sound 5.1 speakers for
computers or home stereo. It has coaxial SPDIF input, but no optical.
Chris Eddington
Santa Clara,
Thought I would add this to the discussion: The amps with digital I/O that
are available now are analog amplifiers with built-in D/A convertors. Some
of the high-end models use DSP for level, tone/equalization, reverb, etc,
but all eventually convert the signal to analog and pass it through an