Knowledgebase: Speaker
Whats the difference between RMS and program (eg. 300/600/1200)?
Posted by Rick Shao on 13 November 2015 05:50 AM

The 3 numbers you refer to (300/600/1200) are actually the RMS/Program/Peak power handling of a speaker (expressed in Watts). The RMS (which is also known as continuous power) value could be described as the power handling of the speaker if a constant sine wave was sent through the speaker for a long period of time. It is not a real indication of the power handling of the speaker when real music is fed to it, though. The Program value is based around the occurrence of a complex program signal being sent through the speaker (ie. more like real music). The Peak is the absolute maximum power handling (but only for extremely short periods of time). Of course typical audio signals are ever-changing, so the power should generally be somewhere in between the RMS and Program values.

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