Ok - sorry I stirred up the stereo debate. Here's a different topic for a change:

What is the power rating of the System?
The system delivers 750 Watts continuous power, broken down into 3x250 Watt. Each of the two sections of the Cylindrical Radiator™ loudspeaker handle 250 Watts and another 250 Watts are delivered into up to two B1 bass modules. This is both the power rating of the power amplifiers and the loudspeakers. Each rating has been established individually through industry standard measurements. These ratings do NOT reflect the actual power that is typically produced by the power amplifier and consumed by the loudspeaker. We also would like to point out that the power amplifiers, loudspeakers and internal limiters are exactly matched. This makes it virtually impossible to overdrive the loudspeaker and to clip or overload amplifiers while at the same time using all available resources very efficiently. (from Bose, of course)

..rb